Product Name: 18V Electric Portable Power Tool Cordless Rotary Hammer (FM-PTS107) Model NO.: FM-PTS107 Unloaded Speed: 1400r/m Impact Energy: 2.2j Impact Rate: 4400r/m Brand: OEM Speed Control Function: With Speed Control Function Trademark: OEM Origin: China HS Code: 846721000 Product Description Product SpecificationBattery voltage: 18V , 4AhImpact rate at rated speed: 0~5000 bpmRated speed: 0~1000 rpmMax. impact energy: 2 .2JMax. drilling diameter in steel:13mmMax. drilling diameter in concrete: 22mmMax. drilling diameter in wood:28mmWeight incl. battery: 2.1KgBatteries Included: YesBatteries Charger: YesToolholder: : SDS-plusFeatures- 1 x 18V 4Ah Li-Ion battery ,1 hour Charger- Two function: drill, hammer- 360° side Handle- BMC- Shock absorption function- With scale of depth,with 6/8/10mm drill