Mini electronic digital display spirit level 4-7days

Brand Name: Litake
Model Number: Protractors
Size: about 100x42x16mm
Specification: 100 mm
Measuring Angle range: 4x90degree
Reading: 0.1degree
Accuracy error: 0.2degree (0-90degree)
Angle measurement accuracy: + -0.3degree
Relative humidity: 40% ~ 80%
Operating temperature: 0~40 C.