Last Modified On: 20-05-2026Patrol Hawk PH-818HW Wireless PIR Motion Sensor — Smart Security with Heartbeat Monitoring & App Alert
Protect your home, office, or business with the Patrol Hawk PH-818HW Wireless PIR Motion Sensor — a smart, reliable, and long-lasting security sensor designed for modern security systems. Whether you are setting up a new alarm system or upgrading an existing one, the Patrol Hawk PH-818HW delivers professional-grade detection with user-friendly smart features.
Smart Heartbeat Function for Constant Monitoring
One of the standout features of the Patrol Hawk PH-818HW wireless PIR motion sensor is its intelligent heartbeat function. The sensor automatically sends a signal to the host every 2 hours, confirming it is active and online. If the host does not receive any signal for over 24 hours, the sensor immediately triggers an offline alert on the App, so you always know the real-time status of your security system. This makes the PH-818HW far more reliable than standard sensors that give no feedback when disconnected.
Instant App Alerts — Stay Informed Anywhere
The Patrol Hawk PH-818HW keeps you connected to your security system no matter where you are. With built-in low battery alert notifications, you will never miss a critical warning. The App-based alert system ensures you receive real-time notifications directly on your smartphone, giving you complete peace of mind around the clock.
Wide Detection Coverage
The PH-818HW PIR motion sensor features a wide 110° detection angle and an effective detection distance of 8 to 12 meters, making it ideal for covering entrances, corridors, living rooms, warehouses, and office spaces. Its transmitting distance of ≥100 meters in open areas ensures a strong and stable connection between the sensor and the host unit, even across large properties.
Long Battery Life & Easy Maintenance
Powered by 2×AAA batteries, the Patrol Hawk PH-818HW delivers approximately 1 year of battery life under normal usage conditions. This means fewer replacements, lower maintenance costs, and uninterrupted security coverage for your property. The low battery alert further ensures you are notified well before the battery runs out.
433MHz Frequency for Stable Wireless Performance
Operating on the 433MHz frequency, the Patrol Hawk PH-818HW wireless motion sensor provides a stable, interference-free wireless connection. This frequency is widely used in professional security systems for its strong penetration capability and reliable long-range performance, making the PH-818HW a trusted choice for both residential and commercial security setups.
Who Should Use the Patrol Hawk PH-818HW?
The Patrol Hawk PH-818HW is perfect for homeowners, shop owners, office managers, and security professionals in Bangladesh who need a dependable wireless PIR sensor with smart monitoring features. It is compatible with most 433MHz-based alarm and security host systems available in the market.
Upgrade your security system today with the Patrol Hawk PH-818HW Wireless PIR Motion Sensor — available at Digi-Mark Solution, your trusted source for advanced security solutions in Bangladesh.
FAQ:
Q1. What is the heartbeat function in the Patrol Hawk PH-818HW?
The heartbeat function means the sensor automatically sends a signal to the host every 2 hours to confirm it is active. If no signal is received for 24 hours, the App will show an offline alert.
Q2. What is the detection range of the PH-818HW?
The sensor detects motion within 8 to 12 meters and covers a 110° detection angle, making it suitable for most indoor spaces.
Q3. How long does the battery last?
The Patrol Hawk PH-818HW runs on 2×AAA batteries and lasts approximately 1 year under normal usage. A low battery alert will notify you when replacement is needed.
Q4. What frequency does the PH-818HW operate on?
It operates on 433MHz, which provides stable and long-range wireless performance up to 100 meters in open areas.
Q5. Is the Patrol Hawk PH-818HW available in Bangladesh?
Yes, the Patrol Hawk PH-818HW wireless PIR motion sensor is available at Digi-Mark Solution, Bangladesh's leading provider of security and automation solutions.
