Beconfident LED Booster Light is a LED lamp that enhances the effect of your teeth whitening gel. It is compatible with all Beconfident teeth whitening products but is especially effective together with the ingredients in Pro Kit X4 and Simple Smile X4 Expert Kit. The gel contains the ingredient Ferrous Gluconate, which together with the blue LED light creates more "free radicals", which provides an additional oxidizing effect. It is the oxidation that lifts away discolorations and makes the tooth surface whiter. The LED lamp enhances the bleaching one additional shade. The lamp is used together with Beconfident's mouth trays, comes with a battery and has a built-in 15-minute timer. The batteries last for about 20 sessions. The package contains a lamp, a double-sided mouth tray (one size fits all) and instructions for use.