DC3V 3.7V 5V 6V 7V 9V 12V Mini Relay Wireless Switch Remote Control Power LED La Working Voltage: DC3.5V-DC12V Wide Range Working Voltage DC3.7V 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*11*8mm Working Mode: Momentary Toggle Latched adjustable 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 buttons 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 buttons remote control Latched------------------press one button is working/ON ,press another button is stop/OFF . ( one channel switchneed 2 buttons remote control ) Package Include: 1 x Receiver(without cover) 1 x Transmitter(with battery)