Ikea KOLDKNAPP LED Christmas tree light battery operated 6 1/4" 804.967.75 - works fine and I just put new batteries in. Description: Gives a soft glowing light that gives your home a warm and welcoming atmosphere. Convenient and easy to use, since the built-in timer automatically turns on the light at the same time every day and then makes it shine for 6 hours. Easy to place anywhere as it is battery operated and does not need to be connected to the main power supply. Perfect for creating the ambiance of the holidays in your home. Batteries are sold separately; 2 pcs AA required. Built-in LED light source. For indoor use. Light color: warm white (2700 Kelvin). Product Size: Height: 6 1/4 " LED life approx. 20,000 hours. Materials & Care: Polystyrene, ABS plastic Wipe clean with a dry cloth.