Specification Product name: Intelligent sensor flusher for toilet Material: ABS color: White Size: 140mm*60mm*64mm/5.51*2.36*2.51in Charging method: 5V Type-C Induction timer: 0.25s Battery capacity: 1800mAh (rechargeable version) Battery 3 AAA batteries (not included) Sensing distance: 0-20cm Press weight: less than 5kg describe TOUCH AND CONVENIENT: The automatic toilet sensor doesn't require you to press the button. You just need to stretch out your hand and let the sensor perceive it, very convenient. Smart Infrared Sensing: The toilet smart sensor flusher adopts a special infrared sensor, which can detect your hand and automatically flush the toilet without contact with the object . Two different styles: This product is divided into battery type and rechargeable type. The battery type needs to install 3 AAA batteries (not included), and the rechargeable type has a built-in 1800 mAh battery. The non-contact toilet flushing assistant can last for a long time on a single Use without frequent charging. Easy Installation: The automatic flusher can be installed horizontally or vertically on top/side of the existing button, no need to replace the entire flushing unit. Wide range of application: non-contact automatic flushing device, suitable for toilets in public places such as families, hotels, restaurants, etc., with strong practicability. installation steps: hint: Please use a 5V charger to this product when you use it for the first time. When charging, the red light flashes, and when charged, the red light is always on. 1. Thoroughly clean the dirty water stains on the toilet tank before installation 2. Place the toilet sensor flusher on the top of the water tank button, check the height of the between the flush button and the pressing head, select the soft rubber head closest to the height , and install it on the pressing head 3. Tear off the bottom double-sided adhesive protective film, align the pressing head with the big water button on the right side of the water tank, and align the pressing head with the big water flushing button (the charging port is facing outward) 4. Press down firmly for 3-5 seconds 5. Push the machine forward to pick up 6. Click the button to turn on the machine, push the main unit of the product back and install the machine after turning on the machine Product List. 1* Toilet smart sensor flusher