Battery: AA/LR6 1.5V*2 (Batteries not included / Replaceable) Wireless Standard: IEEE 802.11b/g Wireless Frequency: 2.4GHz Waterproof Level: IP66 Operating Temperature: -10~60℃C (14~140°F) This product is designed for reliable performance in various environments, featuring a robust waterproof level of IP66, ensuring durability against water exposure. It operates efficiently within a wide temperature range, making it suitable for both indoor and outdoor use. The wireless capabilities allow for seamless connectivity up to 45 meters, providing flexibility in usage. Color: White Material: ABS Package Contents: 1*Smart Rain 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.