1. Material: ABS
2. Power supply: 2 x 3V CR2032 button cell batteries
3. ABS material, safe, non-toxic and harmless, more attention to family safety
4. Safety latch, press the button, can be two-way 180 degrees rotation unlock, applicable to all kinds of doors and windows
5. Humanized design, open the door, convenient not to block the hand, convenient and fast
6. Built-in alarm device, continuous 6 seconds 80db high sound alarm, pull the handle, will automatically alarm
7. Triple locking design, button design, requires adult hands to operate, only to unlock/unlock
8. Prevent accidental opening of doors and windows, the baby can not open the doors and windows from the inside, to protect the baby safety
9. Hole-free installation, upgraded strong adhesive stickers, does not hurt the furniture, easy to remove without leaving marks
10. Size: about 10.9 x 12.4 x 5 cm