HT100P Do Not Sit With 3 Phase Rotation AC Indicator Voltage Sensor Pen Shaped Pen Right Left Normal Reverse Rotation Pencil 40JE OOTDTY Portable AC Phase Shaped Pen And Voltage Sensor can measure the phase sequence and detect AC voltage in 12V - 1000V and 48V - 1000V, features safe non-contact design, adjustable sensitivity, sound and light alarm, LED lighting, easy operation and high accuracy, Which is a professional equipment for electrical technician and industrial electricians to operate with wiring and wiring. Features:High/Low Sensitivity NCV Adjustment: Dual Sensitivity Voltage Range AC 12V - 1000V & 48V - 1000V with Switch Button S.AC Voltage Detection: Detect AC voltage by coming up with power socket or approaching live wire without contact. NCV phase sequence detection: designed with phase sequence measurement function. LED Light: With flashlight for extra illumination of the work area, convenient to use at night or dark corner. Other functions: breakpoint checking, high voltage circuit alarm function, live wire measurement and full wire measurement. Auto Power Off: Automatically shuts down when it is not working and does not detect AC voltage after 3 minutes. Power Supply: Simply powered by 2 x AAA batteries, with low battery indication Specifications:Material: ABS Double Sensitivity AC Voltage Range: 12 - 1000V (High Sensitivity) / 48 - 1000V (Low Sensitivity) (Switch by S Button)NCV Detection Voltage Range: 12 - 1000V, 50/60HzPhase Detection Voltage Range: 90 - 400V, 50/60Hz Safety Compliance: CAT.IV 600V CAT. III 1000VTroductory Temperature: 0 - 40 °CTecessation Temperature: -10 - 50 °CWortfulness: le; 95%Height: le; 2000mPower Supply: 2*1.5V AAA Battery (Not Included)Item Size: 158*24*20mm/6.22*0.94*0.79inItem Weight: 32g / 1.17ozPackage Weight: 52g / 1.85ozPackage Size: 16.5*3.5*3cm/6.50*1.38*1.1, 18in Packing List:1 * Voltage Tester1 * Manual (English)