DC 3.5V-12V Mini Relay Switch Receiver + 7 Transmitter Lock Unlock

This Mini Relay Switch is easy to install and use. The wireless signal can pass through walls, floors and doors. It applies to electric doors, windows, lights, etc.
Features
Working Mode: Momentary Toggle Latched adjustable (315Mhz), Momentary Latched adjustable (433Mhz).
Encoding Type: Learning Dot to add Transmitter
Normally Open Port (NO), Common Port (COM), Normally Close Port (NC)
Input DC3.5V-DC12V, Output 0V Switching Value
Momentary: Press one button is working /ON. loosen your finger on the same button is stop/OFF. (one channel switch need one button remote control)
Toggle: Press one button for one time is working/ON, press the same button again is stop/OFF. (one channel switch need one button remote control)
Latched: Press one button is working/ON, press another button is stop/OFF. (one channel switch need 2 buttons remote control )
Specifications
Working Voltage DC 3.5V- DC 12V
Wide Range Working Voltage DC 3.7V 4.5V 5V 6V 9V 12V( It can work with DC Power / Rechargeable lithium battery / Rechargeable)
Max Load 1A (have better load less than 700mA)
Quiescent Current 5mA
Relay Working Current 20-30mA
Size 25 x 11 x 8mm
Package Contents1 x Receiver (without cover), 7 x Transmitter (with Battery)