DC12V 4-channel Learning Code Wireless Controller with Medium Power 4-Button Remote Control Features: Made of ABS material,durable in use. Professional manufacturing, quality assurance, high reliability. It is a wireless controller that learns the code, and the output/work mode can be changed as desired, and it is easy to match the transmitter. Small size, light weight, stable and reliable performance, high receiving sensitivity. It can be applied to remote power switch, anti-theft alarm, remote control electric door lock, remote control electric shutter door and window, water pump remote control, industrial control products, etc. Specifications: Condition: Material: ABS Weight: Approx.140g/4.9oz Wireless Module: Working voltage: DC12V Quiescent current: ≤8mA Working current: ≤110mA Working temperature: -40°C - +80°C Receive sensitivity: 3-105dBm Operating frequency: 433MHz   Wireless Remote: Working voltage: 12V Working current: 35~40mA Operating frequency: 433MHz (optional) Transmitting power: 0.5W Launch distance: 1000m (open space) Frequency deviation: ±75KB Coding chip: HS2260 (fixed code), EV1527 (learning code) Oscillation resistance: 4.7M, 330K/430K (can be customized) Number of buttons: 1 button Modulation method: ASK Quiescent current: 0uA Package List: 1 * Remote Control (Built-in Battery) 1 * Module