A smart light switch replaces an existing light switch. When you link it to your home's wireless network you can flip that switch off and on remotely or via voice assistants. Your light bulbs don't need to be smart lights, they just need to be the lights connected to that switch.
Mday 121JL series WiFi smart switch can meet different wiring requirements. When you don't know whether the line in your house is nuetral wire required or single live wire installation, 121JL series can meet two wiring modes at the same time without worrying.
Why You Should Have A Smart Light Switch ?
Free APP
Using the free “Smart life” APP ,You can simply create a Tuya Smart account using your email address or mobile phone number.
Remote Control
Control your lights via your phone whenever and wherever as long as there is a network. When you have left home for work, you can turn off any light to save energy with a gentle touch on your phone.
Voice Control
Compatible with smart life Tuya app Amazon Alaxa ,Google home assistant ,Baidu DuerOS, and Xiaomi XiaoAI and IFTTT in IOS or Android ,control your switches hands-free by simply giving voice commands to Amazon Alexa or Google Assistant .
For instance, if you are lying in bed ready to go to bed, just say "Alexa, turn the kitchen light on" and the smart speaker will carry out your voice command.
Easy Replace the Traditional Version
WiFi Smart Light Switch uses your existing home WiFi (IEEE802.11 b/g/n) network to provide wireless control of your lights from anywhere,no hub required,it can easy replace the traditional 1/2/3/4 gang switches directly. The smart light switch also a normal switch,simply touch the switch to toggle your lights on or off.
Timer
Schedule Mday smart switch automatically power electronics on and off based on specific time you set. For example ,you can turn off the light in your kid’s room , remind him/her to go to bed.
Countdown Timer
Mday smart switch can be configured to turn on/off lights after a brief period to suit your habits. If you set the countdown timer at 30 minutes, the light would be turned off 30 minutes later to help you fall asleep.
Smart Linkage
You can connect Mday smart switch with other "Powered by Tuya" smart devices across brands and categories. You can define a scenario in the app to enjoy hands-free convenience, for example, to turn a smart switch on automatically when your smart door is unlocked.
Cycle Timer
You can set specific times for switching lights on and off respectively within a designated time period, and the cycle will be repeated accordingly. For instance, turn on/off lights in your office from Monday to Friday.
Random Timer
With this feature, Mday smart switch can randomly turn on/off devices within a specific time period. It can enhance security by controlling when the lights come on or off even going on vacation and you want to make your house looks live then. You can turn on and off random lights by your phone to keep the burgars away .
Delay-off Timer
You can also set a short period for the smart switch to turn off after it is turned on to reduce the frequency of setting the countdown timer. For example, the corridor light can be configured to be switched off one minute after it is switched on to save both effort and electricity.
Hardware Double Control
With a special wiring method, the smart switch can perfectly replace the regular dual-control switch, allowing you to control one lamp from two different locations in case of network latency or in the absence of network connection. For example, a corridor light can be controlled by one switch downstairs and another one upstairs, or a bedroom light by a threshold switch and a nightstand switch.
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Specification
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Wire Request
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Without Neutral Wire, Must Need Capacitance
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Cats. No.
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ST-D121JL-1
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ST-D121JL-2
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ST-D121JL-3
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ST-D121JL-4
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Type
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1 gang
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2 gang
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3 gang
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4 gang
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Power Rating
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600W
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2*600W
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3*600W
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4*600W
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Max. Current
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10A
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Input Voltage
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100-240VAC 50/60Hz
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Mechanical Life
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100,000times
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Wireless Type
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BLE + 2.4GHz WiFi (IEEE 802.11b/g/n)
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Standby Power
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0.5W
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Dimension
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118*72*35mm
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Color
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White/Black/Golden/Gray , other colours can be customized | |||
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Material
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Tempered crystal glass + 94V-0 ABS/PC | |||
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Package Include
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1x Smart Light Switch +1x Installation Guide + 2x Screws
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How To Wire A Smart Switch?
Enables you to be installed in two wiring connection if needed :
1.Install the capacitor to the terminal “L1” to be used as a single live switch L .
2.Connect the wires to the remarked terminals to be used as “L + N” switch .
Simply Following 4 Steps
Step1: Open the panel by screw driver. Installation;
Step2: Connect wires and tighten the screws. Installation;
Step3: Use the two screws to fix switch to wall Installation;
Step4: Cover the panel ,and connect the power.
NOTE: Turn off the power at the circuit breaker, the best way to do this is first turn on the light switch you will be working on and verify that the lights are on.
Then when you turn the power off at the circuit breaker the lights will be off to confirm you’ve turned off the power.
FAQ:
Q: Is there a indicate light on the switch to show it's on of off?
A: Yes, when the light is on, the indicate led is red, when the light is off, the indicate led is blue.
Q: Can this switch be double controlled?
A: Yes ,can be programed by smartlife / tuya APP ,and you should buy two pieces of switch.
Q: What's the App name?
A: Tuya / Smart Life.
Q: Is Smart Life and Tuya the same?
A: Tuya Smart App and Smart Life App are both official Tuya App. The only difference between the two is that the Tuya Smart App uses the Tuya logo and elements, while the Smart Life App removes all Tuya logo and elements.
Q: Can it support both IOS and Android?
A: Yes.
Q: Can it work at 2.4G or 5G WiFi?
A: It only support 2.4G WiFi.