The AirPex apex locator from Eighteeth is a wireless apex locator that is lightweight and features easy wireless charging. Specifications: - Dimensions: 13 x 11 x 8 cm + 1 cm (outer box). - Weight: 0.35 Kg. - Power supply: Lithium ion battery: 3.7V, 120 mAh. - Charger power supply: AC100-240V. - Charger power output: 5V-1A. - Frequency: 50/60Hz. - Power rotating: <1W. - Degree of protection: IPX0. - Electrical safety class: Class II - Relative humidity: <80%. - Ambient temperature: -20°C to +55°C.