Shinwa Sokutei Digital Angle Meter Dustproof and with 76826 II, Waterproof, Magnet,

Measurement range: 90° x 4 directions (360°) Minimum display: 0.05°, 0.1%, 1mm/m Accuracy: 0°/90°/±0.05°, other angles/±0.15° Operating temperature: -10~50℃ Power supply: 2 AAA alkaline batteries *The included batteries are for monitoring purposes and may have a short lifespan. Auto power off: approx. 5 minutes Material: ABS resin, aluminum Accessories: Holder case Dustproof/waterproof performance: IP65