Tuya Tuya Zigbee smart modification parts, 5V/32V jog, self-locking, Zigbee switch, Zigbee module. Note: This product supports both Zigbee wireless control and RF433 remote control control( not include RF433 remote controller). Supports zigbee gateway control. Supports manage numerous zigbee smart switches on one smart phone. Supports status tracking: it will show device status timely in the Tuya/Smart Life Supports remotely turn on/off household appliances, such as light, electric kettle, electric rice cooker, electric curtain, etc. Supports enabled 8 time schedule/countdown/ cycle for each device. Voice Control: Compatible perfectly with "" Alexa, Assistant. 3 Working Modes: 1.Inching mode : Switch on channel 1 , channel 1 will be automatically closed after 0.7 seconds . The inching time can set in the APP; Other channel is same to the channel 1 .(you can also change the inching time on the APP and need enter into the self-lock or interlock mode). 2.Self-locking : each channel could be switched on/off seperately . 3.Interlocking mode : Switch on any channel , other channels will be switched off automatically . If you need to change the mode,you need to press the mode button. Product parameters: Working voltage: 5VUSB DC/AC 7-32V Working frequency: 50-60Hz Maximum power: 2200W /10A Wireless Standard: 2.4GHz b/g Zigbee standards/ protocol :zigbee 3.0 Application: Alexa Assistant Working temperature: -20-70 Colour: green Material: PCB + plastic + electronic accessories Package Contents: 1 * Zigbee Tuya Smart 4CH Relay Module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.