This is the main unit only of the ELPA (Asahi Denki) flat sensor wall light timer "ESL-KF400SL". This is being sold as the main unit only because other parts were used!! If you have this product and the built-in battery has failed, you can't replace the battery, so why not replace the whole unit? The original box is available, but only the contents will be shipped to save on shipping costs. Please be aware!! Features ● Illuminates your feet brightly ● Long battery life with night light timer settings ● Solar-powered, so it can be installed where there are no outlets, and there are no electricity costs. ● Automatically lights up when the sensor detects the movement of people or cars in the dark ● Waterproof specification (IP65) for outdoor installation ● There are three installation methods: screw, clamp, and stainless steel band (sold separately). Specifications ■ Power supply: Nickel-hydrogen rechargeable battery 3.6V 1800mAh *The rechargeable battery cannot be replaced. ■ Lighting duration: Approximately 10 seconds (fixed) ■ Lighting start illuminance: Approximately 10lx or less ■ Protection level: IP65 (dust-proof/splash-proof) ■ Light source: White LED *The LED cannot be replaced. ■ Total luminous flux (when fully charged): Approximately 500lm when fully lit, approximately 10lm when night light is on ■ Operating ambient temperature range: -20℃ to +40℃ *Due to the characteristics of the battery, the battery performance may not be fully realized when the ambient temperature is low. ■ Number of days of use (when lit 10 times a day when fully charged): Sensor mode: Approximately 60 days Night light mode: 5-hour timer: Approximately 12 days 8-hour timer: Approximately 8 days Timer OFF: Approximately 4 days *The number of days of use may be shorter depending on the usage conditions. ■ External dimensions (approx.): Width 185 x Height 71 x Depth 96 (mm) (maximum value) ■ Weight: Approximately 385g (including rechargeable battery) ■ Accessories: Mounting screws 2 (Φ4×30mm) Concrete sleeves 2 (Φ6×28mm) Clamp 1 set Installation guide 1 sheet