Tuya Zigbee Smart 4-Channel Relay Module, 5V/32V DC/AC Input, Self-Locking, Momentary, and Interlock Modes. Supports Zigbee 3.0 wireless control via compatible Zigbee hub (e.g., Amazon Echo Plus, Samsung SmartThings, Philips Hue Bridge). Compatible with Tuya Smart and Smart Life apps. Enables remote on/off control of household appliances such as lights, electric kettles, rice cookers, and motorized curtains. Supports status monitoring in real time via app. Includes up to 8 programmable timers per channel (schedule, countdown, cycle). Voice control compatible with Amazon Alexa and Google Assistant. Working Voltage: 5V USB DC / AC 7–32V Working Frequency: 50–60 Hz Maximum Load: 2200W / 10A Wireless Standard: 2.4 GHz IEEE 802.15.4, Zigbee 3.0 Operating Temperature: -20°C to 70°C Color: Green Material: PCB + Plastic + Electronic Components Package Includes: 1 × Zigbee Smart 4-Channel Relay Module Note: RF433 remote control is not included. Color and dimensions may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.