1, before using the self testing:

Will any one end close to the hotline, will be accompanied by back light detector ring, if light is too weak, please reset battery.

2, measuring the current voltage:
will probe near the electric components, will be accompanied by the sound emission detector.

3: replace the battery
: please refer to the following picture to replace the battery

4 do not place the tester in the vicinity of the high voltage.
warning: with IP54, IEC1010 standard battery life: up to 6 hours continuous use; standby for a year and a half AAA1.5V battery 2 to the measured voltage range: 90V~1000V AC voltage can not be higher than the measured AC voltage 1000V please check before use

    Yiwu Xiongxiong Hardware Tools Co. Ltd. is a professional production and sales of household electric test, auto test, auto fuse accessories, automotive battery clamp, power supply, electric screwdriver, screwdriver rod, pneumatic screwdriver, small grinders, electric iron, gas gun manufacturers. Factory test pencil electric The series iron have passed the European CE certification can be in the EU domestic sales thus realizing the goods in the EU member states within the free circulation. Brand prodigy "Own" and "Xiong Xiong". The factory attaches great importance to developing and designing new products, to meet the demand of customer male bear will take a; sincere attitude, excellent quality, good service to win your trust and support, sincerely look forward to working with the new and old customers hand in hand!