1. Wall and ceiling mounting
  2. Power source: 15LEDSX0.1W
  3. Power supply: AC 220V±10%
  4. Lithium battery: 3.7V-1.5Ah
  5. Emergency duration time  ≥3 hours
  6. Charging time: ≥24 hours
  7. Working temperature: -10C  –  +55C
  8. Working humidity: 10% – 90%RH
  9. The emergency light will be automatic light up when AC 220V power failure.