Features: [Premium Quality] With transparent PC protective cover, the NCV sensor is solid and sturdy to use, delivering accurate detection result. [Variable Sensitivity] AC voltage detection range can be switched between high and low sensitivity for different circumstantces. [Live/Null Wire Detector] Non- detects the live/null line and alerts you with a beeping sound and flashes. [Continuity Tester] Quickly checks shorts or broken circuits in all types of electrical devices. [LCD Display & Flashlight] The clear LCD screen makes you catch the values at a glance, and flashlight enables good visibility in the low-light or dark area. [Easy Portability] Compact size and pen clip design make it portable, clip it to anywhere you are easy to reach such as shirt pocket, sleeve or notebook. Note:? *Do no use it for over 1000V. *Please read the user manual carefully before use. *Batteries not included. Specifications: Brand: ANENG Model: VC1010 Range: 12V-1000V Frequncy: 50/60Hz Flashlight: Yes Battery Type: 1.5V AAA (2pcs)(batteries not included) Item Size: 13.34*2.65*2.37cm / 5.25*1.04*0.93in Item Weight: 34g / 1.19oz Package Size: 10*2.65*2.3cm / 3.93*1.04*0.9in Package Weight: 43g / 1.51oz Packing List:? 1 * AC Voltage Tester 1 * User Manual