Battery Not Included: This product does not come with a battery, ensuring you can customize the power source according to your specific needs and preferences for electrical DIY projects. Free of High-concern Chemicals: Crafted with your safety in mind, this sensor contains no high-concern chemicals, making it a safer choice for your home and environment. Designed for Electrical DIY: Perfect for enthusiasts and professionals alike, this sensor is specifically designed for electrical DIY supplies, enhancing your project capabilities. Originated from Mainland China: Proudly manufactured in Mainland China, this sensor guarantees quality and reliability in your everyday water flow detection needs. Description/Features: This product features a single-pole single-throw (SPST) magnetic switch, which is factory-set to normally open. It is designed for direct wiring and offers robust protection with an external protection level of IP65, making it suitable for various environments. Specifications: Maximum Voltage: 250VAC Maximum Current (Switching Capacity): 1A (50W) Wiring Method: Directly attached Output: SPST magnetic switch (normally open) Pressure Resistance: 10bar Working Temperature Range: -10 to 85°C External Protection Level: IP65 Baffle Material: PPO plastic Wetted Shell Material: PPO plastic Applicable Liquids: Water, oil Color: As Shown Material: plastic Package Contents: 1* Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.