General description This Zigbee Tuya Smart 4CH Relay Module is designed for remote control of household appliances, allowing you to manage multiple devices through a single smartphone. It supports both Zigbee wireless control and RF433 remote control (remote controller not included), making it a versatile addition to your smart home setup. Technical specifications Working voltage: 5V USB DC / AC 7-32V Working frequency: 50-60Hz Maximum power: 2200W / 10A Wireless standard: 2.4GHz b/g Zigbee standards/protocol: Zigbee 3.0 Working temperature: -20 to 70℃ Color: Green Material: PCB + plastic + electronic accessories Dimensions: Measurement allowed error is +/- 1-3cm Usage Supports remote control of various household appliances such as lights, electric kettles, electric rice cookers, and electric curtains. Allows for status tracking, showing device status in real-time via the Tuya/Smart Life app. Enables scheduling with 8 time schedules/countdowns/cycles for each device. Voice control