Upgrade your pet's hydration with this enhanced cat water fountain! Featuring a motion sensor for cats and dogs, the fountain activates when your pet approaches or moves nearby. When your pet is still, the fountain turns off, saving energy. The external sensor (with adapter and cat fountain) is compatible with all USB interface water fountains for cats and dogs. Designed for indoor use only. Do not touch the water. The motion detector has an adjustable design with a 180-degree detection angle and a 3-meter detection distance. Enjoy high sensitivity, energy savings, and efficiency. Activation time: 30 seconds, then it shuts off. The cat water fountain with motion detector is made of durable and stable material and is easy to install: 45mm*45mm*30mm, USB input cable: 1.8M, and USB output cable: 0.19m. Accessories include screws and stickers for easy setup. Package includes: cat water fountain sensor (can be absorbed and pasted). Suitable for all USB interface cat water fountains. With a passive infrared motion sensor, it can plan the infrared rays from the collector year-round. Product Name: External PIR Sensor Material: ABS Power/Voltage: DC5V 1A Activation Time: approximately 30s Detection Angle: 180° Detection Distance: 0.1m-3m Product Size: 45*45*30mm Uses a USB plug for input and output, compatible with all cat drinking bowls with a USB plug. The dog water fountain sensor can be automatically activated, saving energy. Accessories include screws. How to install the PIR sensor for cat and dog water fountain? A base with cross lines and suction cups, equipped to be absorbed on a smooth surface. Insert the USB plug from the fountain pump into the USB input on the sensor. Then insert the USB plug from the sensor into the adapter.