1、APP REMOTE CONTROL: Download the corresponding app to control your WiFi smart alarm directly from your mobile device. Features include scheduling, automatic push notifications, and manual arming and disarming, allowing you to stay in control no matter where you are. 2、VOICE CONTROL: This smart alarm system can be easily controlled using your voice. Effortlessly arm, disarm, or activate home mode, all without the need for a hub, works on 2.4GHz WiFi network (5GHz not supported). 3、10 ALERT SOUNDS: With an impressively loud (100 dB) alarm that can be heard from a distance, this WiFi smart alarm offers 10 different ringtones for you to set according to your preference, ensuring a personalized touch to your smart home experience. 4、POWERFUL AND EFFICIENT: This wireless smart alarm enhances your existing home security system with audible and visible alerts. You can expand its capabilities by adding door window sensors, motion detectors, wireless doorbells, and water detectors to create an effective stand alone security setup. 5、EASY INSTALLATION: Set up your wireless home security alarm in just a few minutes! Simply plug it into any power outlet using the USB power cord and mount it on the wall for immediate guard. Item Type: Smart WiFi Siren Alarm Material: ABS Alarm Sound: 10 selectable options, trigger alarm with sound and light Compatibility: for 300 series and 500 series Range: Outdoor up to 80 meters, indoor up to 40 meters Standby Current: 87uA Power Supply: Built in 2 CR123A batteries (single battery 800mAh) or 5V/2A USB charger Continuous Working: 1400 times, internal use up to 115db Working Temperature: 0℃-40℃ 1 x Siren Alarm 1 x Screw 1 x Wall Plug 1 x Double Sided Tape 1 x User Manual