[APP Control] Require Tuya zigbee hub or eWeLink/Snoff ZigBee Hub,so you can add the device in Tuya Smart life APP or eWeLink APP. [RF433mhz Control] The device support RF433 frequency,and it can be controlled by the RF433mhz Remote Controller. [Mobile Phone Control] Require Tuya or eWeLink ZigBee Hub,and your smart phone could control the device by 2G/3G/4G Mobile Network and WIFI. [Timer] You could set a time schedule to turn on/turn off the device [Voice Control by Google Assistant] Require Tuya or eWeLink Zigbee Hub. you could voice control the device by Google Assistant. [Voice Control hub and ] No Zigbee hub need,The device can controlled by hub and directly. Note 1.The relay is passive output, No matter the power you supply in the input, the output 't have any power voltage,You also need to supply power in output. 2.The power source supply in the input just can make PCB board work.if you do not supply power source in output, the connectted device can't work. Operating voltage: -usb 5V/7-24V DC Two input interfaces USB port power supply more convenient Board consumption: Less than 1W Standby current: 80mA Max input current: 10A Max Wattage: 2200W Working mode: inching / self-locking Wireless Standard: ZIGBEE3.0 type: Smart Switch color:Green Material:PCB+electronic components size:104 x 33 x 17mm Package Contents: 1 x Smart Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.