Product Information:1. AC voltage: 12V~ 1000VAC2. Frequency: 50Hz/60Hz.3 alarm mode: sound / lighting / analog strip4. Display: LCD display5. Probe shape: flat6. Fire and Neutral: Sound / Light / LCD Analog Bar Tips7.Automatic shutdown: no induction signal for about 3 minutes or automatic shutdown without any operation8. Safety level: CAT.III 1000V / CAT.IV 600V; CE9. Power: 2 section 7 (AAA) battery10. Product size: 159* 21* 20mm11. Product weight: 45gHow to find a breakpoint:1. Connect one of the wires to the live wire and connect the other wires to zero or ground to form a loop.2. Open the test pen and measure from the cable to the live line in the opposite direction.3. When measuring a normal cable, the battery indicator lights up red and a beep sounds. When the test pens light is off and there is no sound, the position is the breakpoint position.Specification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 16cm * 3cm * 3cm / 6.3inch * 1.18inch * 1.18inch Qty per Carton 500 Carton Weight 27.00kgs / 59.52lb Carton Size 50cm * 50cm * 54cm / 19.69inch * 19.69inch * 21.26inch Loading Container 20GP: 197 cartons * 500 pcs = 98500 pcs 40HQ: 458 cartons * 500 pcs = 229000 pcs