VTOOLS ذكي اختبار الجهد عدم الاتصال مع مصباح يدوي

Technology features
Test range: 90V-1000V AC
It can distinction zero line and wire line
Intelligent and power saving mode design; Auto power off in 5 minutes without detection. Separate LED light and detection button, save battery power.
Instrument maintenance:
The tester is with high resistance and safe insulation. Keep it dry and clean.
Replace battery when LED light is not on; Take out battery for long time use.
Power supply: two 1.5V AAA battery, not included
Product size: 148x17x26mm
Product weight: about 23g (without battery)