Features: 1.Why do you need an automatic flush switch: If you are a person who pays attention to home hygiene,in order to make your family and children healthier,and to make the toilet smarter,this automatic flush switch will be your best assistant 2.Automatic induction toilet flush switch: This is a great concept and design,which allows people to easily turn on the toilet flush button without touching the button by hand. 3.Convenience: The old man does not need to bend down to press the button,and does not need to find where the flush button is.The child may be too weak to open the flush button,and it can also protect his fingers from being pinched. 4.2000mAh high-capacity battery,can be used for about 3 months when fully charged.The installation is simple,just stick to the smooth toilet tank surface,and then press hard for 8-10S. 5.If you have any questions,please contact us in time.We will provide you with better products and services. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Product size: 150*53*52mm Product material: ABS Rated power: power 5.5W Working voltage: 3.7V lithium battery 2000mAh Battery capacity: 2000mAh Charging method: 5V 2A mrico USB Standby time: 3 months calculated according to the frequency of use 25 times a day Induction distance: 0-10cm Induction time: 0.25s Product weight: 240g Waterproof grade: ipx5 Package List: 1 x Smart Toilet Sensor Flusher 1 x Charging Cable 5 x Adapter Cushion 1 x Instruction Manual 2 x Base Adhesive