A1S is a 100% wire-free Internet Alarm Hub that works with EZVIZ?s smart sensors and security cameras in your house. Together, these security devices alert you to any abnormal events throughout the day and night. Thanks to its built-in rechargeable battery and optional cellular backup, the A1S will make sure your security system stays online and stays connected Lisätiedot: Taajuus, MHz 868/915Tuotteen paino, g 350Tuotteen mitat (L x S x K), mm 138 x 113 x 65Akun kapasiteetti, mAh 4610Virrankulutus, W 5Kantama, m 150Vahvistus, dB 10