Much lower power consumption with only 0.1–0.6 mA standby current. This is a relay contact mini remote control switch. Input: DC 3.7V–12V. Output: 0V switching value. Uses relay contact configurations: NO (Normally Open), COM (Common), or NC (Normally Closed). Color: Green + Black Material: PCB + Plastic Working Voltage: DC 3.7V–12V Quiescent Working Current: 0.1–0.6 mA Working Current: 20–30 mA Max Load: 1A (Relay performs better under loads less than 0.7A) Receiving Sensitivity: -110 dBm Learning function to add transmitter and select operation mode: Momentary, Toggle, or Latched. - Momentary: Press and hold – ON, release – OFF - Toggle: Press once – ON, press again – OFF - Latched: Press A – ON, press B – OFF Wiring: - Black: Input – GND - Red: Input + VCC - NC: Normally Closed – Yellow (Common) - NO: Normally Open – Yellow (Common) Package Contents: 1 x Receiver 1 x Remote Control (2 CR2016 button batteries not included) Note: Only the items listed above are included. Other products are not included. Light reflection and differences in display screens may cause slight variations in color compared to the actual item. Measurement error allowance: ±1–3 cm.