Krinner Lumix Superlight Crystal Mini - Superhell at the touch of a button! Features: Luminescence approximately 21 days (at 4 hours operation per day), decorated with Swarovski crystals, suitable for indoors only, high-quality design. The hold clip allows for fast, flexible attachment of the candles to the tree. Remote control in modern aluminum look with extensive functions: Superlight for much more brightness (doubles the light output from 1 to 2 lumens), 4-hour timer, 5 brightness levels, 2 flicker modes, and 3 channels for different Lumix product sets with 14 candles, 14 AA batteries, and 1 remote control with CR2032 button cell.