■Specifications
Working Voltage range: 1kV to 42kV
Alarm starting distance (Under standard condition): 60cm against 6.6kV (3.8kV to ground)
Frequency: Both 50Hz and 60Hz
Sound volume: 65dB or more (60cm apart)
Battery: CR1620(3V) × 1 pcs
Battery life （with new battery）:
- Continuously operating state: About 15 hr.
- Unused state: About 10 months
Operating temperature range: －10℃～＋40℃
- 质量承诺
- 正品保修
- 送货到家
- 交易简单化