Features With sound and light alarm, when the test result exceeds the safe value, the instrument will automatically alarm. With a large LCD data display, the readings are clear and accurate and suitable for a variety of environments. The design is fashionable, easy to use, easy to carry and convenient for on-site measurements. This product can be used for both electric and magnetic field measurements, beautiful and practical. The data lock is supported and the radiation value is locked with one button. The non-slip design of the body makes the handle comfortable and easy to use. This product is made of high-quality materials and is durable and has a long service life. Specifications: Condition: 100% Brand New Material: plastic. Measuring range: 1V/m-1999V/m. Measuring object: electric field. Measuring accuracy: 1V/m, 0.01ut Resolution: 0.4 seconds. Size: approx. 130 x 60 x 25 mm / 5.1 x 2.4 x 1.0 inches. Weight: approx. 146 g / 5.1 oz. Function: The non-slip design of the body makes the handle comfortable and easy to use. With sound and light alarm, when the test result exceeds the safe value, the instrument automatically emits an alarm. This product is made of high-quality materials and is durable and has a long service life. With a large LCD data display, the readings are clear and accurate and suitable for a variety of environments. This product can be used for both electric and magnetic field measurement, beautiful and practical. The design is fashionable, easy to use, easy to carry and convenient for on-site measurements. The data lock is supported and the radiation value is locked with one button. Package list: 1 x radiation detector (battery not included). 1 x user manual. Package List