Technical Parameters:
● Power Supply: 2 pcs 1.5V AAA Batteries (Included)
● Defense Zone: 4 zones, Max support 10 sensors per zone
● Defense Zone Mode: Normal and independent mode
● Working Voltage: 3.0V
● Static Current:

Product Features

• PROFESSIONAL DOOR ALARM KIT: 1 standalone door alarm host, 3 window & door magnetic sensors and 1 remote control. With alarm/doorbell/ordinary/emergency 4 modes. Very convenient, you just use the remote to one-button disarm the system!
• DIY SYSTEM FOR ALL SMALL/MEDIUM/LARGE HOUSE: Easy to expand more door & window sensors, motion detectors or remote controls. Up to 40 sensors (Note: Each zone up to 10 sensors) and 20 remote controls.
• MULTI-FUNCTION HOST: The host with magnet equals 1 host with 1 door sensor allows to work as stand alone alarming, and the optional Arm/Disarm status & Chime/Siren is flexible to DIY to meet different requirements.
• ALL SENSORS WERE PRE-CODING: You just install the 2 parts of the sensors to 2 sides of door/window frames. It would detect any forceful break-in to active the system, to intimidate/deter the intruders, or just sound for child safety protection without monthly fee.
• GUARANTEE: If you are not satisfied in any regard, please contact us on Amazon for solution. We will give you a satisfactory answer, or we will give you a full refund within 30 days after purchase.