It's a 433 Mhz 5V-12V 1 Channel Relay Module Wireless Remote Control Switch. It's operating voltage is DC 5V-12V. This control switch can operate on operating temperature range -40~80 degrees. It's operating frequency is 433MHZ and Receive sensitivity is ≥-95dB
Specification
Product: Wireless Remote Control Switch
Operating voltage: DC 5V-12V
Operating temperature:-40~80 degrees
Operating frequency: 433MHZ
Working Mode: jump switch, point action, self-locking, and interlocking(adjustable)
Switch size: approx. 40 x 40 x 25mm/1.57 x 1.57 x 0.98in