Multifunction Wireless High Voltage Phase Detector applied to phase detecting, phase testing, phase sequence judgement and electrictity testing of the high voltage line,metalclad withdraw switchgear and ring main unit and others occasion. 1. Model No.: ETCR1560 2. Phase Detection Mode: Normal phase detector & Remote phase detection 3. High Voltage Phase Detection Voltage : AC 10V~500kV 4. Ring Main Unit Phase Detection Voltage: AC 1V~600V 5. Metalclad Withdraw Switchgear Phase Detection Voltage : AC10KV ~35KV 6. Power Supply: Host: 3.7V, 2600mAh Rechargeable lithium battery; Detector: 3.7V, 600mAh Rechargeable lithium battery