Features: 1Lightweight and Portable: Weighing less than 1kg it is conveniently styled and works smoothly making it easy to carry to different scenarios. Thanks to this unique technology there is no need to carry additional energy or gas cylinders including a power supply. 2Three Levels of Power Adjustment: First gear can penetrate 3mm steel plate can hit C30 and above grade concrete with high force; Second gear is suitable for DIY ceiling mounting bracket door and window monitoring. The third gear is suitable for soft surfaces such as large wooden squares plasterboards and brick walls. 3Low Noise: Thickened steel muffler reduces noise safer more comfortable building environment won't disturb your family or neighbors. 4Detachable Design: Suitable for nailing different sizes of fixed devices on the ceiling and the detachable design of the handle ensures that it can be connected to the extension rod. 5Widely Used: Suitable for red brick walls concrete walls 3mm aluminum alloy wire channels and thick wooden boards. Specification: Item Type: Steel Nail Shooting MachineWeight: 1085g / 38.27ozMaterial: Plastic Package List: 1 x Mini Steel Nail Shooting Machine1 x Goggles1 x Brush9 x Accessories1 x Organizer