Experience ultra-low power consumption with a standby current of just 0.1-0.6mA. This is a Relay Contact Mini Remote Control Switch with an input range of DC3.7V-12V and an output of 0V. Utilizes Relay Contact NO (Normally Open) or NC (Normally Closed) with a common terminal. Specifications: Color: Green+Black Material: PCB+Plastic Working Voltage: DC3.7V-12V Standby Current: 0.1-0.6mA Working Current: 20-30mA Max Load: 1A (Relay recommended load less than 0.7A) Receiving Sensitivity: -110dBm Supports learning to add transmitters and adjustable modes: Momentary, Toggle, and Latching. Momentary: Press and hold for ON, release for OFF. Toggle: Press once for ON, press again for OFF. Latching: Press A for ON, Press B for OFF. Wiring Instructions: Black: Input - GND Red: Input + VCC Yellow (NC): NC (Normally Closed) Yellow (Common): Common Yellow (NO): NO (Normally Open) Package Contents: 1 x Receiver 1 x Remote Control (2 CR2016 button batteries not included)