DC 12V Single Channel Relay Module Universal Wireless Switch Receiver + 2 Remote Control Transmitter DIY Kit

Ideal for replacing door open button or other switches, it is widely used in elevator controllers, automobiles, household appliances, machine tools, alarm systems and other automatic control fields. Automatic switch for automatic regulation, with automatic locking function, for safety protection and circuit conversion. Reception and transmission of powerful and sensitive signals at the 315 MHz frequency. High quality plastic material and professional circuit board, no noise or sparks, anti-moisture and anti-vibration. Equipped with a handheld remote control for easy operation from a distance. The signal can pass through walls, floors and doors, and control the receiver stably and reliably anywhere within a reliable distance. Maximum range: 50m (without obstacles).Lightweight and compact, it offers perfect portability and adaptability, easy to use. Control modes: 1. Auto-Lock Mode: Enabled; Again - Off (Requires 1 channel switch and 1 remote button.)
one button to work/walk. the same button again to stop/turn off.
2). - Locking mode: - On; other button - Off (Requires 1 channel switch and 2 remote buttons.)
one button for work/on, another button for stop/off.
3). Jog mode: and hold - On; Release - Off (Requires 1 channel switch and 1 remote button.)
Keep pressing one button to work/walk.Remove your finger to stop/power off.
Specifications:
1) Receiver:
Working voltage: 12V
Charging current: 10A
Frequency: 315/ MHz
2) Transmitter
Frequency: 315/ MHz
Battery: 2016 button cell (not included).
Style: A with 2 remote controls
Color: photo color
Material: ABS

Package Contents:
1 * Single Switch Control Board
1 * Product Packaging Case
2 * Remote Controls

Only the above package contents, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little bit different from reality. The measurement allowed error is +/- 1-3 cm.