SPECIFICATION: solar
panel: Polysilicon 20% efficiency.
NI-MH AA battery: 1000mah/ 1.2 v, 1LED, 10lumen
DUSK TO DAWN: The solar light insert absorbing solar energy during the daytime, and lights up at dusk automatically. Light up 8h in summer and 4h in winter after 8h fully charge.
SIZE: 3.3 " x 2.1 " x( 0.94 - 1.45 ) Waterproof IP55 and weatherproof
NOTE: Please contact the seller to ask for a free solar light insert replacement if your GOODFOEVER solar wall lights is within warranty period.