Specifications include, but are not limited to: DIMENSIONS 314 x 306 x 166 mm (with rubber boot)12.36" x 12.04" x 6.53" (with rubber boot) WEIGHT6.3 kg (13.88 lb) full option configuration 6.5 kg ( 14.33 lb) full option configuration (+RAEMet)GAS SENSORS SLOTS up to 7; see Sensor list ADDITIONAL SENSOR RAEMet (Wind Speed, Wind Direction, Temperature & Humidity)GPS Standard equipment in every unitBATTERYRechargeable 7.2 V / 10 Ah Li-ion battery pack with built-in chargerAlkaline Battery AdapterOPERATING HOURS~20 hours with wireless connectivity on Li-ion battery pack Specification at room temperature (20°C)DISPLAY Large 240 x 320 pixel LCD backlit display 64 x 85 mm / 2.5" x 3.33"KEYPADS 3 operation and programming keys ALARMSMulti-tone 108 dB buzzer @ 3.3 ft / 1 m, Bright LED 360 degree view and on-screen indication of alarm conditions Additional diagnostic alarm and display message for low battery Wireless connectivity alarm.