G1/2 connection size, complete accessories, ready to install when you receive it, bathroom sink taps accessories are complete, you can install it as soon as you receive it, it is convenient and fast, and you can enjoy a new home decoration experience A faucet with an infrared sensor allows you to wash your hands without touching it, avoid cross-contamination with bacteria and gain hygiene. The bathroom automatic touchless sensor faucet body is made of 59 grade A grade brass material with -free coating technology, which is safer and more hygienic for the environment and your health. The surface has multiple coatings to resist high temperature, wear and acid corrosion. Powered by AA batteries (batteries not included), it can be used when there is no socket near the sink or when there is a power outage, but it requires maintenance and needs to be replaced when the battery is exhausted. The sensor faucet setting distance is 15 cm. Place your hand at this distance and the water will flow automatically. Remove your hand and the water will stop.