M8 Commercial Wireless Door Magnet Sensor Chime – Welcome Visitor Alert with 2 Transmitters + 1 Receiver – EU Plug/Black • Versatile Door Chime: Ideal for welcoming visitors and notifying staff of arrivals and departures • Customizable Melodies: 60 built-in chime options • Adjustable Volume: 5 volume levels • Long-Range Connectivity: Up to 300 meters line-of-sight range in open areas • Easy Installation: Split sensor design with compact door magnet and separate receiver Specifications: • Model: M8 • Number of melodies: 60 • Volume levels: 5 • Door magnet dimensions: 64 mm × 39 mm × 14.5 mm • Receiver dimensions: 56 mm × 56 mm × 20 mm • Door magnet power: 12V 23A battery (included) • Receiver power: AC 100–240V (EU plug) • Operating range: Up to 300 meters line-of-sight (tested in controlled laboratory conditions) • Material: ABS Package Includes: • 2 Transmitters • 1 Receiver • 1 Installation Kit • 1 English User Manual