Dual technology control (MIFARE® 13.56 Mhz proximity + RF 433.92 MHz) with 4 channels. Modulation: AM / ASK. Keelog Rolling Code. Scope in open field: 100-200 m. Power E.R.P: 150-200 ?W. Operating temperature: -10ºC to 55ºC. Dimensions: 72 x 42 x 13 mm. Power supply: 1 x CR2032 lithium battery. Consumption: 15 mA. Minimum order: 10 units (in multiples of 10 from the minimum).