The alarm comes with completely programmed.Before utilizing, please kindly checked out manual and eliminate the insulating sheet inside sensing units that feature 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 care firstname.lastname@example.org!.?.!,we will give you professional reply in time at our work time 6PM ~ 4AM PST, thanks. Product Features: 1. The horn assistance as much as 30 pcs detectors,8 remote crucial fob,4 doorbell sensing unit 2.
wireless sensor universal learning. 3. cordless remote control universal knowing. 4. the push-button control to disarm, stronghold. 5.
live noise alarm. Technical parameters: 1: size: L * W
* H 12mm * 10.2 mm * 11mm 2: Power: Air Conditioner 110V ~ 220V 3: the wireless operating frequency: 433MHz
4: making use of the environment: stability: 0 -55, Relative Humidity: 40 %-70 %5: the alarm noise: as much as 110 db Bundle including
: 1 x Host speaker 1 x Wireless PIR detector deal with 9V battery 2 x Wireless Remote control work with 23A 12V battery 2 x Wireless
Door sensor work with
23A 12V battery 1 x US Power supply for the horn 1 x English handbook Features Door alarm utilizes remote control to set security code for arming/disarming; home security system complete with completely programmable primary unit and sensors, later on if you want to DIY, please restore factory
initially as manual, then add them once again or search operation video on youtube”KERUI Standalone Alarm Operation Guide”for reference.DIY expandable house intruder security alarm system-this alarm horn assistance up to 30 pcs wireless detectors,8 remote keyfobs,4 doorbell buttons, loud approximately 110db deluxe door alarm for peace of mind.Complete DIY wireless house alarm system sets consists of a horn and two window/door sensing units, two push-button controls, a pir motion detector, loud disconcerting to protect well for house shed hotel garage safety, economical home security.Loud SOS alarm and simple to get help-children and senior citizens in the house in emergency, press the SOS button of the remote controller, which will activate the siren alarm as much as 110db to notice next-door neighbors or other households in house so that they will get assist in time.After sale service -Kindly refer the user handbook before use, if you have any concerns or require to tailor alarm system set, please feel free to call us in our shop, we will try our finest to help you out quickly; the alarm set can suitable with KERUI brand another type alarm hub, DIY complete alarm as your requirement.