SOS alarm push to guard the whole family After enabling the SOS alarm push on the APP, the emergency button, the gateway transmit the information to the cloud, and send a push push to the mobile phone. APP supports viewing 7-day historical alarm records (automatic coverage) The SOS emergency button is linked with the sound and light alarm to send out an alarm. The alarm can be heard clearly regardless of day or night, which is conducive to discovering abnormalities in the first time and taking measures. APP remote push alarm information After receiving the wireless signal, the alarm immediately transmits the alarm information to the mobile phone, so as to know the alarm in time and take corresponding measures.<br><br>MIN portable free placement The SOS emergency button is small and high-quality, so you can place it anywhere in your home. You can also tie the lanyard through the lanyard, and put the lanyard on the hand peg to prevent it from falling off and losing The center of the garden-shaped design product is equipped with an alarm button made of soft silicone. The overall color is white. the button to instantly send an alarm message, which can easily be used by the elderly/children. Power input:DC 3V CR2032 battery Working temperature: 10Celsius- 55Celsius Communication protocol: Zigbee Battery working life: more than one year, 20 times a day (replaceable) System support: i0S8.0 Android4.0 and above App name: Tuya Smart/Smart Life Low battery warning: support Product size: 50mm x 50mm x 17mm Colour:White Material:plastic<br><br>Package Contents: 1 x Emergency button<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.