主要特点和功能包括：

The main features and functions include:

1. 适用于M16-M30螺栓：这款电动扳手设计用于适合M16M30尺寸的螺栓，提供适当的扭矩范围以满足这些螺栓的紧固要求。

1. Suitable for M16-M30 bolts: This electric wrench is designed to fit bolts of sizes M16 to M30, providing an appropriate torque range to meet the tightening requirements of these bolts.

2. 高扭矩输出：电动扳手能够提供足够的扭矩来拧紧和拆卸较大型号的螺栓。

2. High torque output: An electric wrench can provide sufficient torque to tighten and remove larger bolts.

3. 扭剪设计：这种扳手通常具有剪切螺栓头的设计，可以在拧紧螺栓后快速剪断多余的螺栓尾部。

3. Twist shear design: This type of wrench usually has a design for shearing bolt heads, which can quickly cut off excess bolt tails after tightening the bolts.

4. 电动驱动：使用电动机提供动力，操作简便，节省人力。

4. Electric drive: Using an electric motor to provide power, easy to operate, and saves manpower.

5. 精度控制：一些型号可能具备精确的扭矩控制功能，确保螺栓拧紧到正确的扭矩值。

5. Precision control: Some models may have precise torque control functions to ensure that bolts are tightened to the correct torque value.

6. 耐用性：采用高质量的制造材料和工艺，确保工具在恶劣的工作环境中保持耐用和可靠。

6. Durability: High quality manufacturing materials and processes are used to ensure that tools remain durable and reliable in harsh working environments.

7. 性：具备过载保护等功能，以防止因超过工具额定扭矩而导致损坏。

7. Safety: Equipped with overload protection and other safety functions to prevent damage caused by exceeding the rated torque of the tool.

8. 便携性：设计轻便，便于携带到不同的工作场所。

8. Portability: Designed to be lightweight and easy to carry to different workplaces.