brand new and high qualityInstructions: Correct access power supply products, The standby mode is default module, NO and COM is disconnected.press the remote control button, NO and COM are connected (Module LED flash once).Loosen the remote control button, NO and COM is disconnected(Module LED flashes twice).Without memory function of the module, if Power off or Remote closing, NO and COM is disconnected. Features:RF Remote Control Switch,can through walls.Fine workership, ultra low power, high sensitive response.Independent coding, many sets will be not interference of each other. The module of the output port, the equivalent of inching switch, point switch,starting switch,press switch,Trigger switch.Remote Control only, other accessories demo in the picture are not included! Specification:Module Material: Plastic+MetalPower Supply Module: for DC 3.7V to 24VModule Consumption: Standby Current 7mA, Work Current 30mAModule Load: 1A(Less than 10 Watts)Wireless Frequency: 433MHzControl Distance: 20 Meters(Open Environment) Color: As Pictures Shown Module Dimension: 2.4x1.1x0.7cm/ 0.94x0.43x0.28inQuantity: 1 Set Note:1.No retail package.2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes:1 Pc x Module1 Pc x Remote Control Switch