Specifications (typical at 25°C)GeneralDisplay 5-inch capacitive color touch screen (12.5 cm)Display resolution 800 x 480 W VGAInterfaces 2x USB 2.0 ports, 1x mini-USB 2.0 port, built-in Bluetooth and WiFi (optional, dongles also available)Storage 10,000 OTDR traces typicalBattery Rechargeable Lithium-polymer battery, up to 20 hours of operation1Power supply AC/DC adapter, input 100-250 V AC, 50-60 Hz; 2.5 A max, output 12 V DC, 25 WElectrical safety EN60950 compliantSize (HxWxD) 175 x 138 x 57 mm (6.9 x 5.4 x 2.24 in)Weight (battery included) Approx. 0.9 kg (1.98 lb)Operating/storage temperature Operating: –20 to +50°C; storage: –20 to +60°CHumidity (noncondensing) 95%