Cost-Effective These indoor/outdoor stair lights are designed with an advanced 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. 5%-100% Smooth Dimming The LEONLITE 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 Waterproof rating: Wet location Dimming range: 5%-100%