The SDB-85 'Soundbox' from SpyPoint is a unique motion activated audio warning device which can be used as a standalone animal or burglar repeller or as a part of the wireless system with multiple WRL-B Motion Detectors (sold separately) to increase the detection range. SDB-85 audio repellent supports standard MP3 audio files and can play sounds with a maximum power of 25 watts with an 85dB sound level. The device is fully compatible with Spypoint WRL-B for a wireless trigger and features water resistant housing, adjustable detection range from 5ft to 50ft, mono audio output jack and mono input jack for external triggering. The SpyPoint SDB-85 'Soundbox' is primarily used by hunters, but it can also be used in the field of residential and commercial surveillance. Additional details: - 1/8" mono audio output jack - 1/8"mono input jack for external triggering - Operating temperature: -20°C to +50°C - Storage temperature: -30°C to +75°C - Compatible with Spypoint WRL-B for wireless trigger