【Fast and safe voltage testing】 With the voltage tester, you can quickly and safely determine whether a power source is live. The non-contact measuring method enables precise and safe voltage testing without direct contact with the power source. All you have to do is hold the device to a socket, lamp socket or insulated cable to perform a voltage test. With a voltage range of 90 to 1000V AC Cat III, the voltage tester is suitable for a wide range of applications. 【Visual and audible signals】 If an AC voltage is detected at the measuring point, the integrated LED indicator on the voltage tester lights up red and an audible signal sounds. This helps you to quickly and easily determine whether a power source is live or not. In addition, the device has an integrated LED torch, which is a useful aid when searching for power sources in dark areas. 【Line tracing and cable break detection】 The voltage tester is not only capable of detecting live wires, but also helps to identify neutral wires and detect AC voltage. In addition, the capacitive measurement method enables quick and precise localisation of invisible cable breaks in extension cables or defective lamps in fairy lights. This saves time and money by avoiding unnecessary repairs or the replacement of entire cables. 【Handy design and easy to use】 This voltage tester pen has a pen clip and is lightweight and portable, so it can be easily carried and used when needed. The voltage tester is extremely easy to use and requires no special knowledge or skills. 【Robust design and high durability】 This voltage tester pen is made of high-quality PC and LED materials and is designed for regular use. This voltage tester can withstand high loads. It is waterproof and dustproof and can be used in harsh conditions. In addition, the device is battery operated and requires only 2 AAA micro batteries (supplied with two batteries). Quick voltage testing: Non-contact measurement for voltage ranges from 90-1000V AC. Safe detection of voltage sources without direct contact. Visual and audible signals: LED display and audible signal when voltage is detected. With integrated torch for dark areas. Line tracing and cable break detection: Precise localisation of cable breaks and detection of neutral lines saves time and money. Handy and robust design: Lightweight, portable device with clip. Battery-operated and water- and dust-proof for harsh conditions. Easy to use: No prior knowledge required. Batteries (2xAAA) included. Ideal for a wide range of applications.