Feature:1. Compact structure and light weight, portable to use and carry around.2. Easy to operate, just put it on the slope, support both absolute and relative measurements.3. The content of the large display screen can be automatically flipped to facilitate reading.4. LM320B inclinometer supports dual-side laser measurement to obtain more accurate measuring results.5. Magnetic on both sides (LM320A) / magnetic on four sides (LM320B), so that it can be attracted on the metal surface to obtain accuracy results.6. Powered by a 3.7V 300mAh lithium battery and featuring low battery indicator, support recharging through the equipped USB cable with Type-C interface.7. If there is no operation within 5 minutes, it will automatically shut off to save power.8. Widely applicable to automobile, railway, military, industry, machinery, woodworking, construction, telecommunications, etc.Specification:Features:Compact structure and light weight, portable to use and carry around.Easy to operate, just put it on the slope, support both absolute and relative measurements.The content of the large display screen can be automatically flipped to facilitate reading.LM320B inclinometer supports dual-side laser measurement to obtain more accurate measuring results.Magnetic on both sides (LM320A) / magnetic on four sides (LM320B), so that it can be attracted on the metal surface to obtain accuracy results.Powered by a 3.7V 300mAh lithium battery and featuring low battery indicator, support recharging through the equipped USB cable with Type-C interface.If there is no operation within 5 minutes, it will automatically shut off to save power.Widely applicable to automobile, railway, military, industry, machinery, woodworking, construction, telecommunications, etc.Specifications:Model: LM320A / LM320B (Optional)Magnetic Base: magnetic on both sides (LM320A) / magnetic on four sides (LM320B) (Optional)Material: Aluminium alloyColor: BlackPower Supply: 1 * 3.7V 300mAh lithium batteryCharging Interface: USB Type-CWorking Time: about 2 hoursMeasuring Range: 4*90°Accuracy: ±(0.2°)Resolution: 0.01°Relative / Absolute Angle Measurement: √Angle Locking Function: √Low Battery Reminder: √User Interface: reverse display screen with backlightAutomatic Shutdown: no operation within 5 minutesBidirectional Laser Scanning: only LM320B supportLM320B Wavelength: 630nm~670nmLM320B Laser Radiation: CW1mWOperating Temperature: 0~50Item Size: Approx. 6.2*6.2*3.2cm / 2.44*2.44*1.26inItem Weight: Approx. LM320A: 97g / 3.42ozLM320B: 123g / 4.34ozPackage Size: Approx. 11*7.5*4.5cm / 4.33*2.95*1.77inPackage Weight: Approx. LM320A: 182g / 6.42ozLM320B: 209g / 7.37ozPacking List:1 * Inclinometer1 * Reflecting Board1 * Silicone Pad1 * USB Cable1 * User Manual (English)Package List:1 * Inclinometer1 * Reflecting Board1 * Silicone Pad1 * USB Cable1 * User Manual (English)