2X(Receiver DC3.7V-12V 433Mhz Home Small Tiny Remote Switches F5A7)4337
2X(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----- 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)

Package Contents:
1 x Receiver
1 x Remote(2 CR2016 button batteries not included))