1: size: L * W * H 12mm * 10.2mm * 11mm

2: Power: AC 110V ~220V,the length of the power cable is about 92cm/3ft,can be extended by yourself.

3: the wireless operating frequency: 433MHz

4: the use of the environment stability: -15 ~55,relative humidity: 40% -70%

• The normal workable distance from the sensors to the horn (host) is about 328 feet (100 meters)in open area,barriers will lessen this distance.And if you are closer to siren/control unit,it loud up to 115db,the longer the distance,the decibel will be reduced,hope you can understand.
• The burglar alarm system comes with fully programmed,do not have to program anything,after you get it,open each sensor(excluded remote control ) and pull out the little paper tab near the battery so it then powers up the unit,install the PIR sensor and door/windor sensor in somewhere need to protect,the siren horn is powered by a 110 V to 220 V AC adapter,plug it in outlet,will hear beep,then use the remote key fob to arm or disarm the system along with the alarm horn will beep to remind you it in working(arm/disarm) status;in arm status,when doors open even a little or motion sensor detect objects, horn screams up to 115db scare off intruders and alert you or your neighborhood of a possible break in.
• Note:
• 1,If there are false alarms,please restore to factory setting first,then follow the operation guide to re-setup them by yourself;or you can change new batteries of sensors.
• 2,The loud siren host alarm without flashing,also the alarm time and volume can’t be adjusted,when the sensor is triggered,the siren will alarm at once,if no one disarms the siren,it will keep alarming about 2 minutes then stop and in arm status.
• 3,If you want a more louder alarm system,you can add more and more black horns work with same set wireless sensors, you also can choose another type live sound host or smart app control host of KERUI brand together work with same sensors.

DIY More Accessories or Alarm Host of KERUI Brand as your need

• The black siren host H01 support up to 30 wireless sensors, 8 remote controls and 10 wireless doorbell buttons.
• Same set sensors can work with more another type live sound alarm hosts ;or live sound standalone alarm system can compatible with smart app control alarm host consist of smart alarm system,the wifi smart plug can control the host’s power adapter or other electronic equipment from anywhere via wifi or data;720P wifi camera, two-way audio and real monitor 24/7 from anywhere,anytime via wifi or data;diy alarm system as your need.

Simple,Cheap,Effective Alarm System Wide Application

An inexpensive and simple intruder alarm perfect for when you only want the alarm to sound in your home,small enough to pack in a suitcase that could be moved from location to location without much difficulty,easy portable alarm system;there is no network capability,no need GSM 3G/4G & WIFI home alarm system,if you need emergency services for help,press the S button of remote control,which is the panic button, will sound the alarm at once.The burglar security alarm system is suitable for sheds,garage,barn,shop,yard shed,single story apartment or home,cabin,motorhome,chicken coop,any small room you want to protect.