Wireless High Voltage Electroscope applied to 380v ~ 220kV high voltage line electricity test, high voltage line voltage to ground test, induction voltage test, high voltage line current test. 1. Model No.: ETCR1800A 2. Electricity Testing Level: 380V~220kV 3. Voltage Level Display: 380V, 6.6KV, 10KV, 35KV, 66KV, 110KV, 220KV 4. Voltage to Earth Display Range : 0.1kV~150kV 5. Probe Length: 110mm (can be replaced with hooks or probes according to site conditions) 6. Power Supply:Host: DC 6V alkaline battery LR3X4PCS Detector: Zn-Mn dry battery 6F22, 9V