Cheap relay module, Buy Quality relay switch box directly from China relay motor Suppliers: Mobile Radio Interphone intercom Talkie Walkie Button Interphone Button Remote Relay Switch DC3.7V 4.5V 5V 6V 7.4V 9V 12V Toggle
Here set as default " Toggle" Here is 1 pcs 2 Button Transmitter + 2 pcs Receiver 1 Button 1 Receiver Working Voltage: DC3.5V-DC12V (Wide Range Working Voltage DC3.7V 4.5V 5V 6V 9V 12V all is ok) (it can work with DC Power / Rechargeable lithium battery / Rechargeable Pal) Max Load: 1A (have better Load less than 700ma) Quiescent Current: 5ma Relay Working Current: 20-30ma Size: 25*11*8mm Working Mode: Momentary & Latched & Toggle 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 Mom