HOBO* Light On/Off Data Logger, monitors indoor light changes with an internal sensor and records light on and off conditions, making it ideal for building energy audits and light usage analysis, with standard 128 KB memory model
Go Direct* Light and Color Sensor, is a powerful and versatile light sensor that measures light in the visible to ultraviolet electromagnetic spectrum, light intensity in the visible range, UVA, and UVB portions of the electromagnetic spectrum
HOBO* Pendant Wireless Temperature/Light Data Logger, compact, waterproof, light sensor for accurate light intensity readings in the visible light spectrum, wireless setup and download via Bluetooth Low Energy (BLE), +/- 0.5 deg C (+/-0.9 deg F) accuracy