ITEM NAME:Dc12v / 27a for Garage Opener / Toroeffner 433 Mhz E8V3 Dc12v / 27a for Garage Opener / Toroeffner 433 Mhz E8V3 Working voltage: DC12V / 27A Working frequency: 433 MHz Quiescent current: 0mA Working current: 16mA Coding method: fixed code / learning code (2260 / eV1527 / PT2240B chip) transmission distance: greater than 100m (open receiver sensitivity at 103dBm over distance) Output power: 9dBm (8mW) Transmission rate: less than 10 Kbps Modulation method: OOK (amplitude modulation) Operating temperature: -10 Celsius ~ +70 Celsius Color: blue + black Material: ABS Package includes: 1 x wireless remote control Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.