ITEM NAME:30-50m 433MHZ 24V 2 Relay Wireless Remote Control Switch+2pcs Two Keys RC ABS Product Description Description: DC12V/24V 2 Relay Wireless Remote Control Switch+2pcs Two Keys Remote Control Features: 1. Using Intelligent microprocessor control, which can be applied to garage door control, light control, remote control curtain, access control system and all kinds of motor control systems. 2. Compact and lightweight, easy to install, safe and reliable to use. Specification: Operating voltage: 24V Operating temperature: -40 degrees to 80 degrees Operating frequency: 433MHZ Receiving sensitivity: ≠¥-95dB Output mode: point lock, self lock and interlock Remote control distance: 30-50m/98.4-164ft Switch size: approx. 75*52*30mm/2.95*2.04*1.18'' Controller size: approx. 55*40*12mm/2.16*1.57*0.47'' Control board weight: approx. 58g Remote control weight: approx. 28g/pc Material: ABS Learning method: After the controller is.Output mode: point lock, self lock and interlock. 55 40 12mm/2.16 1.57 0.47". Continue to hold down the learning key for about 8 seconds, the indicator lights from extinction to recovery, which indicating the cleaning is success.