1. Aerial aluminum alloy housing, light weight, anti-dust and antimagnetic 2. 6 digit 18mm wide angle LCD display with backlighting 3. 4XAA Alkaline batteries or nickel hydrogen rechargeable batteries 4. Superior high preformed like a crane scale, the force or the gravity 5. In weighing model performed like a crane scale, the dynamometer has the functions of tare, display the gross weight and net weight 6. The dynamometer has the functions of overload alarm, power consummation indication and auto-backlighting 7. Conform to CE standard