Maizoon Intelligent Voice Anti Theft Alarm with 3 Modes Human Motion Sensor Indoor Security System USB Powered Alert for Store Welcome Property Protection ZA05 - Z-ZA05

• 【Easy To Install】The host can be placed as desired,and the sensor can be installed on the side door of the entrance or on the door frame directly above.The motion sensor can detect any movement within the detection range according to your need.Also the host has 4 levels of adjustable volume to meet multiple demands. 【Wireless Transmission】The sensor is equipped with human intelligent sensing function,when the person passes by,the signal will be transmitted to the host.The transmission distance in the open area can reach 150 meters,and the signal can penetrate the wall. 【Low Energy】It uses environmentally friendly,low energy consumption,power saving and durable,no radiation,less harmful to human body.When in low battery,the host and sensor will remind you to replace the battery by flashing lights. 【Two Types Of Power Supply】Please take battery or 5V Micro USB charging.The host uses a battery of 3*AA battery and the sensor uses a battery of 2*AAA battery.Host and sensor batteries can be used for 5-7 months (according to the calculation of 30 times a day ring),the power battery are not included so please install suitable battery first before use it. 【Combination Of Use】The sensor is responsible for sensing and the host is responsible for broadcasting and alarming.The host and the sensor can be used normally only when they are combined.Please note that the two cannot be used separately.