Techko door alarm used on window model s184s.
Step off door alarm.
Generally you ll want to attach your piece of wood close to the top of the door within a foot 30 5 cm from the.
4 0 out of 5 stars 3 ratings based on 3 reviews current price 18 49 18.
This will be the base of your door alarm.
Sabre door handle alarm 110db door alarm for home security audible up to 600 feet 185m away vibration triggered security alarm sounds when door knob is touched from outside.
Use removable wall hangers or tape to attach the wood on the wall.
Ge s alarm stops as soon as the door pressure against it is released while the sabre s alarm only stops after the on off switch on the back of the unit is turned off.
The ge personal security window door alarm provides a the ge personal security window door alarm provides a simple to use cost effective security solution to protect you and your family against home invasions thanks to the 120 db alarms loud enough to make a would be intruder think twice about entering through your doors or windows.
Sir i constructed step door alarm with the help of ur circuit diagram but it will creat a false sound in room pls sir any.
If someone tries to open your door or window this will sound a 120 decibel alarm to wake you and scare the intruder off features.
You may need to drill holes in the wood to hang it from the hangers.
If a lamp is provided opposite to the phototransistor on the opposite wall of staircase the circuit can be used as day and night alarm.
49 list price 36 99 36.
Get it as soon as sat sep 19.
Switch off the circuit in the evening to avoid false alarm.
Provides personal security regardless of location goes anywhere you go great for traveling and hotel stays where there is a risk of accidental or intentional entry into your room perfect.
Damsel in defense step off door alarm.
Attach the plywood to the wall next to your door.
3 9 out of 5 stars 893.