Multi-function design, integrating rain sensing and light intensity detection. Ultra-low power consumption design, built-in high-capacity lithium battery and by solar energy, never disconnected. The rain sensing adopts immersion gold process, which has excellent resistance. This product integrates rain sensing and light intensity detection functions, provides real-time and intuitive data display for the smart , and realizes scene linkage control with other products in the smart , effectively improving the user's intelligent experience. Product model: RB-SRAIN01 Power specification: lithium battery 3.7V/1300mAh Communication method: ZigBee (need to be used with Tuya gateway, not included) Waterproof level: IPX6 Working temperature: -10-50 Data collection cycle: 60 seconds Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:Black Material:plastic Size:103.5mmx103.5mmx20.5 (without bracket) Package Contents: 1 x 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.