Cost-Effective These indoor/outdoor stair lights are designed with an advanced matte black casing that adds a touch of style to any staircase. They are the perfect replacement for old step lights as they are compatible with most old work electrical boxes, eliminating the need for new gang boxes. 2700K/3000K/3500K/4000K/5000K Selectable With 5 selectable color temperatures (2700K/3000K/3500K/4000K/5000K) and a high CRI90+, these stair lights can adapt to the existing color temperature of your home, ensuring consistent lighting throughout. They are compatible with standard gang boxes and operate at 120V line voltage, eliminating the need for a transformer. You can connect the wires directly to your home without worrying about transformer overload or taillights not turning on due to power and voltage drop. 5%-100% Smooth Dimming The LED Stair Lights offer smooth dimming from 5% to 100%, allowing you to adjust the brightness to suit your preferences and different lighting needs. Despite their super brightness of 150lm, these stair lights only consume 3.5W of power, making them highly energy-efficient and cost-effective. Reliable Quality These stair lights are also reliable and durable, with an ETL listing for safety assurance. They are dustproof and waterproof, ensuring long-lasting performance even in outdoor settings. The 30,000-hour lifespan guarantees that these stair lights will serve you well for years to come, and the 3-year warranty provides additional peace of mind. For enhanced waterproof performance when used outdoors, it is recommended to seal the lights with caulk. NOTE It is recommended to adjust the color temperature before installation; junction box not included. Specifications Wattage: 3.5W Voltage: AC120V Luminous flux: 150lm CRI>90 CCT: 2700K/3000K/3500K/4000K/5000K selectable Finish color: Black Waterproof rating: Wet location Dimming range: 5%-100% Dimmers: Compatible with triac dimmers Working temperature: -4℉ - 113℉ Lifespan: 30000hrs