LH-302FK
B810FK Remote Controller
Sales Inquiry 
– Key Features
1. Convenient Wireless Control
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One-touch arming/disarming: Quickly arm (full/stay mode) or disarm your security system with dedicated buttons.
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Emergency SOS button: Instantly trigger alarms for emergencies.
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Long-range (800m open area): Reliable FSK 868/433MHz wireless communication with alarm panels.
2. Sleek & User-Friendly Design
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Compact (40.5×72.5×10mm): Fits comfortably in pockets or keychains.
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3-year battery life (CR2450): Low-power consumption with ≤10dBm/13dBm transmitting power.
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LED feedback: Green LED flashes to confirm pairing mode and commands.
3. Smart Integration
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"Secusystem" App compatibility: Pair via QR code scan or manual enrollment (hold Arm + Disarm buttons for 3 seconds).
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Low-battery alerts: Notifies the panel when battery replacement is needed.
4. Durable & Reliable
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Wide operating range: Works in -10°C to +55°C and ≤95% humidity.
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Child-safe battery compartment: Secure cover prevents accidental access.
5. Compliance & Warranty
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1-year warranty: Covers manufacturing defects (excludes misuse or third-party damage).
| Wireless Protocol | FSK |
| Transmission Frequency | 868mhz |
| Transmitting Power | <13dBm(868mhz) |
| Working Voltage | DC3V(CR123A) |
| Quiescent Current | <30uA |
| Communication Distance | 800m |
| Battery Life | 5 years(10 times/day) |
| Detection Water Level | 0.5mm |
| Dimension | 58*58*21mm |
| Working Humidity |
≤95%RH
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| Working Temperature |
0°C~+55°C
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