Specifications:
Item Name:Battery Box
Item No.:NO.5 Battery Box:8881 ;NO.7 Battery Box:88000

Note:
1. Options 1 is NO.5 Battery Box needs to be installed with 6 AA batteries on both sides of the battery box. Unscrew the cover with screws and install them.
2. Options 2 is NO.7 Battery Box needs to be installed with 6 AAA batteries on the back of the battery box. Unscrew the cover with screws and install them.

Package included:
1x NO.5/NO.7 Battery Box