The way to use it?
1) Use a 9V battery (not included).
2) It has three sensitivity ranges. Select the sensitivity degree: M (Meduim), L (low), H (excessive).
3) Activate the alarm. You may also use it as an atypical door cease while you flip off the on/off change, its high-damping rubber bearing can stop the door from slipping and forestall the unhealthy boys in.
4) Insert alarm beneath the door. The space between the underside of the door and the ground ought to be 10 mm (0.38 inches) to 35 mm (1.35 inches).
Alarm quantity: 120 dB.
Energy provide: 1 x 9 V battery (not included).
[Dual Function]:Can be utilized as door cease alarm and door cease, if somebody tries to open the door, this product will stop it from opening and activate a 123dB alarm. You may also use it as a standard door stopper when the on/off change turns off, its excessive damping rubber bearing can slide the door and forestall the unhealthy boys from getting in.
120dB Safety Alarm The alarm shall be triggered when somebody opens the door, 123dB excessive steady siren shall be an important deterrent for all thieves or intruders.
Straightforward set up: 1) insert a 9V battery; 2) Choose the sensitivity degree: M (medium), L (low), H (excessive); 3) Activate the alarm; 4) Insert the alarm beneath the door; the gap between the underside of the door and the ground ought to be 10 mm (0.38 in) to 35 mm (1.38 in)
3 Sensitivity Ranges With an adjustable sensitivity change on the aspect, 6 ranges sensitivity are non-compulsory, M (medium), L (low), H (excessive).
Huge functions: simple to hold, measurement 5.3 x 1.8 x 1.4 inches (13.5 x 4.5 x 3.5 cm) internet weight 4.2 oz (123 g). Nice for journey; very best for bedrooms, inns, flats, dormitories, entrance doorways, and many others; peace of thoughts while you journey or work alone.
Details: ThreeH 4 Pack Door Stop Alarm 120dB Loud Portable Wedge Entrance Alarm Anti-Theft Burglar Security Tools for Home Security Home House Travel