Feature: 1. With the large LCD display screen, so you can see the data more clearly, which can give you a better using esperience. 2. With the buzzer alarm function, when it reached the preset target torque, it will alarm you. 3. With the backlight function, so you can use it even dark or the low light areas. 4. With four kinds of torque units for you to choose: kgf.cm, N.m, Ibf.ft, lbf.in. You can change it by your needs. 5. Automatic shutdown function: it will automatic shutdown if you not operate after 10 minutes. 6. There are three working modes can be switched freely: pe-ak mode, real-time mode, preset mode. Specification: This digital wrench meter with the LCD display scree, and it can be used in your daily life or your work, and there are four kinds of units can be switched freely, it is also easy for you to carry it with you, come on and try it, it will not let you down. Specifications: Material: ABS Power supply by: 2 * AAA battery (not included) Minimum division value: 200N.m: 0.1N.m Maxumum operating range: 200N.m: 20~200N.m Connector: 1/2 accuracy: ±2% clockwise, ±2.5% counterwise Package size: 130 * 100 * 60mm / 5.1 * 3.9 * 2.4in Package weight: 500g / 1.1lb . Package List: 1 * Wrench Meter 2 * Conversion Head