-High-efficiency and energy-saving electronic network standard lamp products are suitable for position marking of fishing nets for night fishing operations, and are widely used in road and bridge construction safety warnings, vehicle and ship operating signals, night fishing and auxiliary fishing net lights. -Using the automatic illuminance sensor switch, when the external illuminance reaches 50 lux, the power will automatically turn on and start working. Otherwise, the power will be cut off automatically. This can achieve the purpose of automatically turning off the power during the day and automatically turning on the power at night. Energy efficient and has ample battery life. -Name: LED light control network beacon light -Light Color: Green and White -Material: PP + PPS engineering plastic -Color: Red / Green / Blue / Yellow / White -Waterproof IP65 Power: 2 x D batteries Voltage: 3V Current: 100mA Life time is about 50 days (based on battery capacity) -Working outdoors, it has a photosensitive element inside. Sensing open outdoor light, Light to close automatically, otherwise open. Package Weight: 30g Package Dimensions: 28cm x 6cm x 6cm