1. Wall or ceiling mounting  
2. Voltage:110V/277V
3. Lamps:2x5W
4. Lead-acid Battery 6V 4.5AH
5. Emergency duration: more than 90 minutes
6. 24 hours recharge after 90minutes discharge
7. Test switch and charge rate indicator
8. Low voltage battery disconnection
9. Product size: 30.2x13.2x11.7cm