Tips:  1. The electric hammer has a function of preventing idling and locking, and it needs to be installed with a drill bit (not included) before it can be used, otherwise it will stop working after a period of use.  2. The main body of the electric hammer is protected against overheating and cannot work continuously. It is recommended to hold the handle and work continuously for 30s, and then rest for 5s-6s.     Features:  - Multifunctional and practical, delicate, and durable   - The machine is in combination with the functions of the electric hammer and electric drill. Turn the switch to transform functions.  - Adjustable modes: 4 modes: Flat Drill Mode, Hammer Mode, Shovel Mode, Calibration Mode.  - Damping auxiliary handle and ergonomic handle make it easier to use.  - For drilling metal, wood, plastic, ceramic tiles, brick walls, granites, and screw twisting.  - Ventilation holes prevent the electric hammer from being overheated.  - The handle is wrapped up with rubber to prevent slipping.     Specifications:  Name: Brushless Electric Hammer;  Type: Electric Hammer;  Rated Voltage: 18V;  Battery: For 18V Makitabattery (Not included);  Single hammering force: 2.2J;  Maximum drilling diameter: 28mm;  No-load speed: 10000bpm.     Package Included:  1 x Electric Hammer (Battery is not included);  1 x Depth gauge;  1 x Storage Box(Optional).     Note:  1. Please allow 0.5-1cm differences due to manual measurement.  2. Due to the light and screen difference, the item's color may be slightly different from the pictures.