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1. Torque: 4N.m2. No-load speed: 180 rpm3. Power: 3.6V rechargeable lithium battery4. The snap ring design has a stronger fastening force, and the bit is not easy to fall off5. 1500mAh lithium battery, 2A current charging time 60 minutes6. Torque adjustment button, 4-speed torque, 1N.m-4N.m touch sc..