Features: The LTR-303 light sensory module deliver high sensitivity visible and light measurement, with automatic switching from 0.01-64000lux for precise environmental sensing. Featuring a plug and play and auto ranging capability, it offer high sensitivity for low light environments and includes open source driver. Designed for electronics enthusiasts, developers, and engineers, this sensory module suits projects requiring accurate light detection and integration. Ideal for automatic display brightness adjustment, lighting systems, outdoor weather stations to monitor environmental light conditions. Its compact plastic ensuring easy connectivity and versatility in diverse electronic applications. Specifications: Component:Metal Size:Approx.25.4x17.8mm/1x0.7inch Detection: 0.01-64,000lux Power supply: 3V ~ 5V Package Includes: 1Pc Light sensory Module note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.