Home Security System Wireless WiFi Alarm Burglar System Touch Screen for Smart Home Item Type: Home Security System Material: ABS Model: PG 109 Input Voltage: DC5V (powered by micro USB standard interface) Operating Current: <300mA when the screen is resting, <500mA when the screen is lit Standby Current: <200uA Alarm Output: <560mA Wireless Frequency: 433Mhz/2.4G/125K Wireless Code: ev1527 GSM Standard: 850 900 1800 1900MHZ WIFI System: IEEE802.11b g n wireless standard Backup Battery: 1 x 3.7V/1000mAh Li Battery (Included) Operating Temperature: -10 to 55°C Relative Humidity: <80% (non condensing) Size: Approx. 112 x 182 x 16mm / 4.41 x 7.17 x 0.63in (LxHxT) Door Magnet Power Supply: 1 x 3V button cell 80mAh (Included) Infrared Detection Power Supply: 2 x 1.5V AAA batteries (Included) Remote control power supply: 1 x 3V button cell 80mAh (Included) Memory Card: (Not Included)