Exit Alarm and Door Knob Alarm

Exit Alarm is easy to install,maybe mounted on top, right left or next to almost any door ,it less expensive than heavy horizontal bar type units and practical for all emergency doors .User can select onside whether to use an alarm or annunciator . It helps prevent both unauthorized exits and entries through emergency exit doors
Door Knob Alarm has two sensitivity levels ,the product option is can self adjusting sensitivity with manual high and low ,Alarm Chime will sounds when magnetic contact is separated.And the product can alarm with U1 loud 100dB 。Additional，the product's handle can collapsible .

Wireless For Doors/Windows/Walls

This product is great for small shops, offices, homes, Use either chime alert or alarm siren. it can Detects intruders and sounds built in alarm,Or automatically announces customers/visitors with chime sound.
The product is very useful.first, Siren sounds when motion in room is detected or when door/window is opened ，and the powerful of siren is 110dB.and then,it includes one remote control unit, additional units available for family members and are sold separately .Remote control on/off operates from 25 feet away on two 1.5 volt button cell batteries included. Alarm operates on 3 "AA" alkaline batteries.Battery compartment is secured for added safety. Besides,the chime option will alerts when someone enters room ,it has 45 second exit and 15 second entry delays,after activation chime will automatic reset .Alarm operates on 3“AA” alkaline batteries.Adjustable sensor head provides 110 degree coverage within 180 degree area,up to 30 feet away.Especially the product is one year warranty.
To protect your home ,you should choose this .