1、Forward And Reverse Feed Mechanism: The electric forward and reverse feed mechanism allows the cable to automatically feed down or retract back, with a cable lock feature to secure the cable in place when tackling stubborn blockages. 2、Multifunctional Cable: Featuring a 7M (1/4 inch) flexible, anti twist cable, this auto feed plumbing snake drain tool can smoothly navigate through P traps and clear pipes, making it ideal for severe clogs or slow drains. 3、High Efficiency: Easily tackle clogs on your own, saving time and money without the need for professional assistance. The auto feed drain cleaning machine not only quickly clears your drainage pipes but also helps prevent future blockage issues. 4、Ergonomic Design: The 21V lithium ion maximum and variable speed with a 6.0AH battery provides extended runtime. The cordless design allows for movement, with a battery power indicator for easy monitoring of remaining power levels. The adjustable speed and ergonomic design, including a rubber handle and integrated LED work light, ensure enhanced visibility and accuracy during use. Additionally, the carefully designed rear drain port on the device prevents water accumulation within the drum. 5、Wide Application: The power drain hair removal tool comes equipped with a 7M reinforced flexible cable that can be easily replaced, allowing for effortless clearing of blockages in drainage pipes ranging from 3/4 to 2 inches in diameter, including sinks, toilets, and bathtubs. Item Type: Auto Feed Plumbing Snake Drain Tool Model: DL21VYS Material: ABS Color: Yellow Applicable Pipes: 3/4 Inch-2 Inch Pipes Working Temperature: 0-40℃ Cable Length: Approx. 7000mm / 275.59in Speed: 610RPM Battery Type: 1 x 21V Lithium Ion Battery 6000mAh (Included) Power Adapter Output: 18V-98V 1.5A Replaceable Battery: for BL1820, for BL1830, for BL1840, for BL1850, for BL1860 and other pin lithium ion batteries (not included) 1 x Electric Drain Auger 1 x Supply Adapter 1 x Battery 1 x Cleaning Cloth 1 x Manual