KAIWEETS Voltage Tester/Non-Contact Voltage Tester with Dual Range AC 12V-1000V/48V-1000V, Live/Null Wire Tester, Electrical Tester with LCD Display, Buzzer Alarm, Wire Breakpoint Finder-HT100 (Red) Red auspowers_batchfour the knob is with switch

the knob is with switch function

and other DIY crafts

SAFETY - AVOID WHEEL SHATTERMetal cutting discs are made of aluminum oxide grains

Most competitors ship and sell their product unwrapped

hold the corner and remove slowly

KAIWEETS Voltage Tester/Non-Contact Voltage Tester with Dual Range AC 12V-1000V/48V-1000V, Live/Null Wire Tester, Electrical Tester with LCD Display, Buzzer Alarm, Wire Breakpoint Finder-HT100 (Red) Red auspowers_batchfour the knob is with switchKAIWEETS Voltage Tester Non Contact Voltage Tester with Dual Range AC 12V 1000V 48V 1000V, Live Null Wire Tester, Electrical Tester with LCD Display, Buzzer Alarm, Wire Breakpoint Finder HT100 (Red) Product Features SAFETY FIRST: It will send out multiple alarms through sound and light. When the voltage is detected, the tip will send out red light and beep. When the higher the sensed voltage is, or the closer it is to the voltage source, it beeps at a