Wifi Smart Diy House Security Alarm. SPECIFICATIONS: Kit Configuration: Door/Window Sensor Power: AC 110-240V 50-60Hz Video Interface: Yes Display: No Alarm Type: The Alarm Alarm Type: SMS Alarm Type: Apps Control Size: 8*8*3.8CM Password Keyboard: No Arming Type: APP Connection Type: Wireless Zone Number: 40 Wireless Panel Color: Gray Arming/Disarming Way: App/Remotes// Voice Control Alarming Way: App Notification/SMS/On-Site Sound Off Wireless Frequency: 433Mhz App Name: Tuya Smart Compatible: Amazon Alexa / Google Home / Apple Siri /IFTTT Siren Volume: 90dB LED Indicator: 3 Color Entry/Exit Delay: Yes Battery Life: 2 H . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.