You can welcome guests or discourage intruders with this unobtrusive device; it simply hangs around your doorknob and functions as you decide. Features vibration; 100dB alarm or chime; and low battery indicator light. Requires 3 AAA batteries (not included).
- Measures 2-3/4″ × 5-1/2″ × 5/8".
- Brand New
- 30 Day Warranty