What is the principle of interrogating the alarm? What is the frequency of the ultrasound?
Second, the technical performance 1, the alarm: touch sensor, whistle alarm. 2, the alarm volume: ≤ 120 dB. 3, whistle time: every time after the trigger whistle for 10 seconds. Third, the use of 1, along the touch sensor behind the direction of the arrow to open the battery cover, into the battery. 2, the touch sensor will be linked to the lead wire hanging on the metal door handle or door lock, the switch up to move in place, touch the alarm into the alarm monitoring state, and then touch the door handle or door lock, the touch sensor alarm will Immediately whistle alarm
First, the product features the body touch sensor alarm hanging in the metal door handle or door lock, when someone touched the door handle or use the master key to steal the door lock, the induction alarm will be whistle alarm, issued about 10 seconds Of the high-decibel sound alarm, in order to scare away thieves or remind the owner to pay attention to the trend. This product can also be used for exhibits, fence, wire and cable, active garage burglar alarm.
3, the touch sensor will be extended to connect the electrical connection, connected to the exhibits, fence, wire and cable, the activities of the garage metal protection online, the switch up in place, 5 seconds after touching the alarm into the alarm monitoring state, And then touch the object to protect the above, the touch sensor alarm will immediately whistle alarm. 4, the switch down in place to stop the alarm. Out of the accommodation, the alarm will be hung in the door lock on the door, someone close to the lock side, that is, the alarm sound.
