ITEM NAME:Smart Home WiFi Wireless Switch Module Mobile Remote Control Switch (RF433) A#S Product Description Description: Specifications: Voltage range: 100-240V AC (50 / 60Hz maximum: 10A maximum power: 2000W Shell material: ABS V0 flame retardant Size: 88x38x23mm/3.46x1.5x0.91" (L x W x H) Color: white Humidity: 5% - 90% RH, no condensation Frequency: 2.4 GHz 802.11 B / g / n Working temperature: - 15 ℃ ~ 80 ℃ Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 1 X RF433.Included: 1 X RF433. Working temperature: - 15 ℃ ~ 80 ℃. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.