Reaction range: AC 90-1000V
Operation temperature: -10 to 50°C
Storage temperature: -10 to 50°C
Operation humidity: 80%

How to use:
Install battery, press the switch body in the middle. If LED lights, tester is good.
Move tester pin to the wire, when it lights with DDD sound, the wire is a live wire.
If work in poor light environment, press LED lighting switch.

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
Product size: 138x20x20mm
Product weight: about 23g（without battery）
Standard accessories: meter (without battery), battery

Packing: single blister
Packing quantity: 200PCS/CTN
Carton size: 55x27x46CM
G.W. / N.W.: 12/11KG