The DW Mini-S is a state-of-the-art wireless sensor designed to provide maximum security for doors and windows. With its advanced S-Line encryption, It employs a unique rolling code encryption algorithm, which generates constantly changing codes for each transmission. This prevents unauthorized access and eliminates the risk of common replay attacks. The S-Line encryption provides an additional layer of protection, safeguarding your security system and enhancing the overall security of your property. Designed to seamlessly integrate with the Qolsys IQ Panel 4 and other door alarm security systems operating at 319.5 MHz. This security sensor goes beyond security applications, allowing you to activate Z-Wave smart home devices. Create customized rules to trigger specific Z-Wave scenes when the sensor is activated. For example, open the door and let the DW Mini-S activate a scene that turns on the lights automatically. These features are only accessible when used in conjunction with the Qolsys IQ Panel 4 and the alarm.com mobile app. The sensor is also equipped with a tamper switch and real-time status alerts, you can stay updated on any activity with ease. Powered by a long-lasting 3-volt Lithium battery, it delivers reliable and long-term performance, perfect for window alarms for home security. Wireless signal range: 600ft (200M), open air. Replace battery with exact replacement every 5 years with 3V Lithium (x2).