{"product_id":"rab-lighting-stairwell-50-40-30w-cct-selectable-battery-backup-ultrasonic-sensor-white-tsled4-us-e","title":"RAB Lighting Stairwell, 50\/40\/30W, CCT Selectable, Battery Backup, Ultrasonic Sensor, White, TSLED4\/US\/E","description":"\u003cdiv style=\"font-size:1.05em;line-height:2.0\"\u003e\u003cp\u003eThe RAB Lighting \u003cstrong style=\"color:#3793E0\"\u003eTSLED4\/US\/E\u003c\/strong\u003e is a \u003cstrong style=\"color:#3793E0\"\u003e4-foot LED stairwell fixture\u003c\/strong\u003e with an integrated ultrasonic occupancy sensor and battery backup, designed for automated, code-compliant egress lighting in stairwells and corridors. Selectable \u003cstrong style=\"color:#3793E0\"\u003e50\/40\/30W\u003c\/strong\u003e output delivers \u003cstrong style=\"color:#3793E0\"\u003e4,297–6,892 lumens\u003c\/strong\u003e with field-selectable 3500K, 4000K, or 5000K CCT, while the ultrasonic sensor ensures reliable motion detection in enclosed stairwell environments. DLC Premium listed with a 100,000-hour rated life. White finish.\u003c\/p\u003e\u003c\/div\u003e\n\u003chr style=\"margin:48px 0 24px\"\u003e\n\u003ctable style=\"max-width:560px;width:100%;border-collapse:collapse;font-size:1em;border-top:1px solid #e8e8e8;margin:0 auto;table-layout:fixed\"\u003e\n  \u003ccolgroup\u003e\n\u003ccol style=\"width:40%\"\u003e\n\u003ccol style=\"width:60%\"\u003e\n\u003c\/colgroup\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"border-bottom:1px solid #e8e8e8\"\u003e\n\u003ctd style=\"padding:8px 16px 8px 0;font-weight:600;color:#3793E0;width:40%;min-width:140px;vertical-align:top;word-break:break-word\"\u003eWatts\u003c\/td\u003e\n\u003ctd style=\"padding:8px 0;color:#0A0E11;vertical-align:top\"\u003e50\/40\/30W (Field-Adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid #e8e8e8\"\u003e\n\u003ctd style=\"padding:8px 16px 8px 0;font-weight:600;color:#3793E0;width:40%;min-width:140px;vertical-align:top;word-break:break-word\"\u003eLumens\u003c\/td\u003e\n\u003ctd style=\"padding:8px 0;color:#0A0E11;vertical-align:top\"\u003e4,297–6,892 lm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid #e8e8e8\"\u003e\n\u003ctd style=\"padding:8px 16px 8px 0;font-weight:600;color:#3793E0;width:40%;min-width:140px;vertical-align:top;word-break:break-word\"\u003eColor Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:8px 0;color:#0A0E11;vertical-align:top\"\u003eCCT Selectable (3500K\/4000K\/5000K)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid #e8e8e8\"\u003e\n\u003ctd style=\"padding:8px 16px 8px 0;font-weight:600;color:#3793E0;width:40%;min-width:140px;vertical-align:top;word-break:break-word\"\u003eRated Life\u003c\/td\u003e\n\u003ctd style=\"padding:8px 0;color:#0A0E11;vertical-align:top\"\u003e100,000 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid #e8e8e8\"\u003e\n\u003ctd style=\"padding:8px 16px 8px 0;font-weight:600;color:#3793E0;width:40%;min-width:140px;vertical-align:top;word-break:break-word\"\u003eFinish\u003c\/td\u003e\n\u003ctd style=\"padding:8px 0;color:#0A0E11;vertical-align:top\"\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid #e8e8e8\"\u003e\n\u003ctd style=\"padding:8px 16px 8px 0;font-weight:600;color:#3793E0;width:40%;min-width:140px;vertical-align:top;word-break:break-word\"\u003eControls\u003c\/td\u003e\n\u003ctd style=\"padding:8px 0;color:#0A0E11;vertical-align:top\"\u003eUltrasonic Motion Sensor, Battery Backup\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid #e8e8e8\"\u003e\n\u003ctd style=\"padding:8px 16px 8px 0;font-weight:600;color:#3793E0;width:40%;min-width:140px;vertical-align:top;word-break:break-word\"\u003eDLC Certification\u003c\/td\u003e\n\u003ctd style=\"padding:8px 0;color:#0A0E11;vertical-align:top\"\u003eDLC Premium (S-WBY940)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"RAB Lighting","offers":[{"title":"Default Title","offer_id":54644847346036,"sku":"RAB-TSLED4\/US\/E","price":385.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/2820\/2189\/files\/tsled4_e.png?v=1779470011","url":"https:\/\/rocklighting.com\/products\/rab-lighting-stairwell-50-40-30w-cct-selectable-battery-backup-ultrasonic-sensor-white-tsled4-us-e","provider":"Rock Lighting \u0026 Electric","version":"1.0","type":"link"}