Kidde EG4AVWN 06/02 The B401 is a 2-wire

The B401 is a 2-wire base for use with 400 Series smoke detectors

Replacement Duct Detector Board 565-905 sold separately as replacement

The EVAX-200 / EVAX-150 panels provide 200W and 150W of speaker power respectively

The kit allows for additional alignment range in cases where the detector and reflector cannot be mounted within 10° of each other

Kidde EG4AVWN 06/02 The B401 is a 2-wireGenesis LED EG4 Series horns and LED strobes feature a sleek low profile design and energy efficient technology that makes them less expensive to install and operate by reducing overhead. High performance LEDs require fewer power supplies, backup power, and batteries. These new appliances are designed with, energy efficiency, and life safety in mind.