Lens diameter: 25mm 

Size: 130 *140 *237mm
Power supply: (1) direct power supply from solar panels
(2) 1.5V AA dry battery. ( not included )

Material: ABS engineering material

Energy display: flashing red LED light (flashing interval 5 seconds)
Opening method: directly remove or install the battery

Weather-resistant accessories: outdoor base and adjustable waterproof cover