1. Power supply type: rechargeable - lithium technology2. Power supply voltage: EU Plug 220V, US Plug 110V3. Battery capacity: 3000mAh4. 2-stage electrical hammer mode can be selected, hammer drill/flat drill can be replaced by yourself5. Adjustable forward and backward direction, with a center lock function6. Switch the function knob on the top of the machine to quickly switch between hammering, chisel position adjustment or hammer drill function7. Durable high-capacity battery, easy to operate8. Size: 350 x 290 x 105mm9. Weight:- 1 battery + 1 charger: 3.17kg- 2 battery + 1 charger: 3.47kgPacking list:- Electrical hammer x 1- Drill x 3- Batch bit x 7- Wrench x 1- Tool box x 1Specification: Package Weight One Package Weight 3.19kgs / 7.04lb One Package Size 36cm * 30cm * 11cm / 14.17inch * 11.81inch * 4.33inch Qty per Carton 5 Carton Weight 17.00kgs / 37.48lb Carton Size 54cm * 43cm * 35cm / 21.26inch * 16.93inch * 13.78inch Loading Container 20GP: 328 cartons * 5 pcs = 1640 pcs40HQ: 761 cartons * 5 pcs = 3805 pcs