ITEM NAME:Rain Water Sensor Liquid Level Sensor Module Depth of Detection for Arduino M&O Feature: Brand new and high quality. Description: Spec ifications: Product Name: water level sensor Operating voltage: DC3-5V Operating Current: less than 20mA Sensor Type: Analog Detection area: 40mm x 16mm Production process: FR4 double-sided HASL Operating temperature: 10 °C - 30 °C Humidity: 10% -90% non-condensing Product weight: 3.5g Size: 62mm x 20mm x 8mm Package Include: 1 x Rain Water Sensor Liquid Level Sensor Module Depth of Detection for Arduino UNO Note: Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding..Detection area: 40mm x 16mm. Sensor Type: Analog. Due to the different display and different light, the picture may not reflect the actual color of the item. Size: 62mm x 20mm x 8mm. Humidity: 10% -90% non-condensing.