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)
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 Size:20*11*11mm
Learning Dot to add transmitter and adjusted Momentary Toggle Latched Momentary----- Press and Hold---ON, Release----OFF Toggle-------Press one time ----ON. Press it again ----OFF Latched--------Press A ----ON, Press B-----OFF -Black----------Input - GND +Red------------Input + VCC NC------------NC (Normally Closed) COM-Yellow-------COM (Common) NO Yellow ----------NO (Normally Open)