The instrument is a portable electronic building thermometer, thermometer is a professional temperature measuring instrument developed based on the construction industry characteristics and related technical specifications. It is capable of displaying the measured temperature intuitively, accurately and quickly, with fine reliability, wide range of use and applications.Small size and light weight, easy to carry, suitable for site construction and field operations, mainly used for construction, building materials, water conservation, electricity, metallurgy, petrochemical, ports, roads and bridges, municipal and other basic construction projects.When used at night or in a dark environment, press the host backlight switch, the LCD screen can emit blue background light, making the reading clear and eye-catching. Press the light switch, the light comes on, which is equivalent to a flashlight.Accurate, stable and practical measurement.Well designed back support, more stable support for temperature measuring instrument, ultra-thin support. The design is fully integrated with the product when stowed.Small size, light weight, easy to carry, suitable for site construction and field operations.Replaceable battery, when the battery is off, you can easily replace the battery. (Battery not included)Temperature meaurement range: -30 to 150 Temperature meaurement error: +/- 0.5 Resolution: 0.1 Operating environment temperature: 20 to 50 Battery: 9V battery (not included)Measurement line Temperature Length: 0.5mColour: blackMaterial: plasticPackage Contents:1 * Construction Electronic Thermometer1 * Temperature Measurement Line1 * English ManualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.