much more lower power consumption only 0.1-0.6 ma standby current it is a Relay Contact Mini Remote Control Switch. Input DC3.7V-12V Output 0V Switching Value , use Relay Contact NO (Normally Open) COM ( Common) or NC ( Normally Closed ) COM ( Common) Color: green+black Material: PCB+plastic Working Voltage: DC3.7V-12V Quiescent Working Current: 0.1-0.6ma Working Current: 20-30ma Max Load: 1A Relay have better load less than 0.7A Receiving Sensitivity: ≥-110dBm Learning Dot to add transmitter and adjusted Momentary Toggle Latched Momentary----- and Hold---ON, Release----OFF Toggle------- one time ----ON. it again ----OFF Latched-------- A ----ON, B-----OFF - Black----------Input - GND + Red------------Input + VCC NC ------------NC (Normally Closed) COM-Yellow-------COM (Common) NO Yellow ----------NO (Normally Open) Package Contents: 1 x Receiver 1 x Remote(2 CR2016 button batteries not included) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.