Shinwa Sokutei Digital Protractor with Hold 62496 Function, 30cm,

Body size: 317 x 35 x 20 mm Weight: 224g Measurement range: Angle: 0.0 to 359.9°, Length: 0 to 595 mm Accuracy: Angle/±0.3°, Length/300mm or less ±0.3mm Minimum scale: angle/0.1°, length/1mm Operating temperature/humidity: 0~50℃/85% or less Material: Module part: ABS resin, Ruler part: Stainless steel Power supply: 1 x lithium battery (CR2032) (monitor battery included) Auto power off: Approximately 5 minutes without operation Battery life: Approximately 2000 hours