Features: 1. Small and Light Makes it Convenient to Carry 2. Values can be Clearly and Easily Read on the LCD Display 3. Built-in Magnets on the Base Which Secures the Attachment to Any Iron 4. Provides Relative and Absolute Measurements and Zero Setting to Any Position 5. Data hold 6. Powered by 2 x AAA 1.5V Battery. (without sent batteries) Auto Power Off After 12 Minutes of No Operation Specification: Measurement range : 4*90° Accuracy : ±0.3 ° Resolution : 0.05° Battery type : 2x1.5V "AAA" batteries (not included) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.