LuxorWare CLFG20 Automatic LED Light for Kitchen/Office/Bathroom Concealed on Cabinet Hinge Swing Door (1 Pack) Long lasting: up to 3000 minutes each battery cycle (around 8000 times cabinet opening/3-5 years normal usage) Easy installation: install within 2 mins, change battery in about 30 seconds Built with durable impact resistant abs/pc Brighten interior of the cabinet by up to 10 times Smart design auto on/off switch