1、With alarm function, suitable for leveling. The measured degrees ranged from 0° to 1° and the sound from 89° to 90°. When the battery power is low, the alarm will keep ringing and the product cannot work normally. Please replace the battery in time. 2、Magnetic design of the V‑shaped groove can be adsorbed on the surface of uneven objects. There are also grooves for marking on both sides of the housing. 3、With LED display, the brightness is higher and clearer. Accurate numbers are provided, So you can make accurate cuts with safety. 4、Angle gauge has many functions, such as automatic reading, data retention, calibration, low power display, etc 5、The multifunctional angle meter is made of ABS, which is durable and can be used as a bevel indicator and a digital woodworking level. Item Type: Angle Gauge Weight: Approx. 150g / 5.3oz Display: Digital display Battery: 2 x AAA batteries (Battery Not Included) Colour: Black Material: ABS Product Size: Approx. 60 x 67 mm / 2.4 x 2.6 in 1 x Angle Gauge (Battery Not Included) 1 x Storage Bag 1 x Manual