ZKTeco - Speedface M4 Rain Shield

ZKTeco Speedface M4 RS is a weatherproof access control reader designed for outdoor use. It features a rain shield cover to protect the keypad from water and dust. The device supports multiple authentication methods including RFID cards, biometric fingerprint, and PIN code entry. It integrates with ZKTeco's central management software for remote monitoring and configuration. The M4 RS model includes a built-in speaker and microphone for two-way audio communication with visitors. Installation requires mounting the unit in a protected location with proper grounding for electrical safety. The device operates on standard 220V AC power and includes a replaceable battery option for extended operation during power outages.