Features: Our sensor toilet flush is made of high-quality PP material, which has extremely high IPX5 waterproof, durability, and stability. 2. Battery version, durable and long-lasting, using size 7 batteries * 3. 3. The use of a secure wireless transmitter with an automatic toilet flush completely changes your bathroom experience without the need to replace the entire system. Installed on top of existing buttons for easy security upgrades. Include all necessary components. 4. Easy to operate. Easy to install, the automatic flushing device can be installed horizontally or vertically on top of existing buttons without the need to replace the entire flushing mechanism. 5. Widely used in home bathrooms, restaurants, hotels and other places, bringing you great convenience. Specifications: Color: White Material: ABS Net weight: approximately 190g Size: Approximately 140x64x68mm/5.51x2.52x2.68 inches Battery: 3 AAA batteries (not included) Usage time: about 2 months Sensing distance: 10-100mm Waterproof rating: IPX5 Package Include: 1x Automatic non-contact toilet flushing device (excluding 3 AAA batteries)