4 x 90° Digital Inclinometer Spirit Level Box Protractor Angle Finder Gauge Meter

Features: 1. Precision aluminum alloy measuring surface structure. 2. Fast response measurement values. 3. Special angle 0,45,90 degree sound prompt function (optional). 4. Battery usage, low voltage prompt function. 5. Measure the value hold function. 6. Auto shut down for saving energy. 7. 4 directions, 360 degrees, complete measurement. 8. Erro reminding when go wrong direction over 30. Specification: Measuring range: 4 x 90 Resolution: 0.05 Accuracy: 0 0.05others 0.1 Battery: DC4.5V(AAAx3) Back light: Green Working temperature: -10 (14) to 50 (122) Working humidity: 85%RH Temperature of transport & storage: -20 (-4) to 70 (158) EMC: Class 2 IP LEVEL: IP67 Package included: 1 x Digital Inclinometer 1 x User Manual Detail Pictures: