The alarm includes completely programmed.Before utilizing, please kindly read manual and remove the insulating sheet inside sensors that include batteries.There are a video of how to setup detectors FYI: https://youtu.be/V7sYDPtc7Gk.If you have any question or other requirement, please email our customer support firstname.lastname@example.org!.?.!,we will give you professional reply in time at our work time 6PM ~ 4AM PST, thanks. Item Features: 1. The horn support as much as 30 pcs detectors,8 remote key fob,4 doorbell sensing unit 2.
wireless sensing unit universal knowing. 3. wireless remote control universal knowing. 4. the push-button control to disarm, fortification. 5.
live sound alarm. Technical criteria: 1: size: L * W
* H 12mm * 10.2 mm * 11mm 2: Power: Air Conditioner 110V ~ 220V 3: the cordless operating frequency: 433MHz
4: making use of the environment: stability: 0 -55, Relative Humidity: 40 %-70 %5: the alarm sound: approximately 110 db Plan consisting of
: 1 x Host speaker 2 x Wireless PIR detector work with 9V battery 2 x Wireless Push-button control work with 23A 12V battery 3 x Wireless
Door sensing unit work with
23A 12V battery 1 x Power supply 1 x English handbook Functions Door alarm uses remote control to set security code for arming/disarming; home security system total with completely programmable primary unit and sensors
, later on if you want to
DIY, please restore factory first as handbook, then add them again or browse operation video on youtube”KERUI Standalone Alarm Operation Guide “for reference.DIY expandable house burglar security alarm system-this alarm horn assistance approximately 30 pcs wireless detectors,8 remote keyfobs,4 doorbell buttons, loud up to 110db luxurious door alarm system for peace of mind.Complete Do It Yourself cordless house alarm system kits includes a horn and 3 window/door sensing units, 2 remote controls, 2 pir motion detectors, loud worrying to protect well for home shed hotel garage safety, inexpensive house security.Loud SOS alarm and easy to get help-children