SF-342
* Rechargeable battery 6V4.5AH
* Discharge time is about Single tube: 4 hours/Double tube: 2 hours
* Power failure emergency function
* Single and double tube selection
* charging indicator
* Luminous indicator
* Simulated AC power failure emergency test button
* Handle/seat/wall
* Volume: 680 (L) * 150 (W) * 115 (H) mm
* Package specification: 1*4 sets