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How does wifi water sensor work
Long press (1) button for 3 seconds to connect the network. When the buzzer emit alarm sound, press (1) button to stop alarm. When the buzzer is silent, press (1) button to change the time of alarm. One di” sound is 10s alarm Two “di”sound is 20s alarm Three “di” sound is 30s alarm How...Read more -
120DB Loud Sound Home Security Burglar Alarm System Magnetic Sensor Loud Alarm For Door Window Open Alarm Device
FEATURES: 1.When door open,it will alarm for 30 seconds.Unlock button to stop alarm. 2.Three Sound Setting:Ding Dong Sound / Alarm Sound / Beep Sound. 3.SOS button Alarm Sound for 30 seconds. 4.Beep Sound Warning for battery voltage lower than 2.1V. We thinks what shoppers think, th...Read more -
Main functions of Kid’s GPS tracker
Kids’GPS tracker is mainly a positioning device based on GPS, GSM and GPRS technology. Through GPS and LBS positioning technology, it can accurately know the specific location of the positioning object in a short time. Application field: positioning, anti-theft. Main functions of ch...Read more -
SIM Card GPS Tracking Message Personal Alarm Mainly Used For Girls Students Lonely Old People
Appearance diagram: 1.charging port: 5V charging port, connect the charging line for charging. 2. SOS button: click one time to test, on or off the alarm; Click two times, it will alarm. 3. Status indicator lamp: Red, green and white. 4. SOS pin: Put out the pin, it a...Read more -
2020 Portable Loudest Siren Sound Led Light Tracking Personal Alarm for Women
There are hidden dangers everywhere in the dark. Although encountering a crime is a small probability event, a small probability does not mean that it will not happen to you. Once targeted by the bad guys, the damage caused will be ravaged by the entire family. There is a wide disparity in physi...Read more -
New Design SIM card Mini SOS button Self-defense GPS Tracking Personal Alarm For Studen
Feature : A self-defense alarm, In case of danger or emergency, turn on the switch and immediately sound a high-decibel alarm. Mainly used for girls, students, lonely old people for help, fashionable appearance, convenient to carry Functions: 1. Pull out the pin, it will alarm and flash light 2. ...Read more