Biometric Smart Door Lock - Q004

Device Type: 2-Channel RF (Radio Frequency) Remote Control Transmitter. Button Configuration: Features two tactile buttons; the top button typically features an "Unlock" or "Open" icon, while the bottom is plain for secondary functions (e.g., a second gate or light). Indicator Light: Includes a top-mounted LED (small circular window) that illuminates when a signal is being transmitted. Build Material: Textured ABS plastic casing for impact resistance and ergonomic grip. Attachment Point: Features a wide slot at the base designed for a keychain or lanyard. Power Source: Usually powered by a single CR2032 or 27A 12V battery (depending on internal circuitry). Frequency Compatibility: Most common models of this style operate on 433.92 MHz or 315 MHz (often used for rolling code or fixed code cloning).