1) Pen Length: 13.8 cm 2) Weight: 16g 3) The voltage detector designed for electrical testing 4) Non-Contact AC detector from 90V to 1000V AC 5) This instrument is only used to judge whether the conductor is live or not. * Product Specifications: 1) Voltage Sensitivity: 90~1000V AC 2) Bandwidth: 50/60Hz 3) Normal Indication: The LED Will not flash if the battery is less than 2V. 4) Power supply: 2 x 1.5V AAA batteries (battery is not included)Specification: Package Weight One Package Weight 0.05kgs / 0.11lb Qty per Carton 40 Carton Weight 2.80kgs / 6.17lb Carton Size 45cm * 27cm * 20cm / 17.72inch * 10.63inch * 7.87inch Loading Container 20GP: 1097 cartons * 40 pcs = 43880 pcs 40HQ: 2547 cartons * 40 pcs = 101880 pcs