ITEM NAME:433MHz DC12V 1 Channel Learning Code Wireless Remote Control Relay Mode A#S Product Description Description: Feature: Of good workmanship, durable and reliable for long time use Lightweight design for convenient use Special design and easy installation Small and compact design Low current draw An ideal item for general purpose in receiving date and controlling signal Used in garage door, roller shutter door or windows, remote control door lock, etc. Description: Weight: 150g Model: CHJ-C80 Working voltage: DC 12V Operating frequency: 433MHz Static current: 8mA Sensitivity: -103dBm Operating temperature: -15℃~ +70℃ Modulation method: ASK Encoding type: Learning code Size: 55*40*18mm/2.2*1.6*0.7inch Included: 1 x Relay Module.Sensitivity: -103dBm. Low current draw. Encoding type: Learning code. Included: 1 x Relay Module. Weight: 150g. Lightweight design for convenient use. If item is defective after 3 months, you can still send it back to us.