Crank-operated sound unit
Key Features

Weather-resistant 304 stainless steel housing (IP65 rated)
Vandal-proof construction for public installations
Plays up to 8 MP3 messages (16MB flash memory)
Generous 16 minutes total playtime @ 128kbps
Includes USB programming dongle for easy content updates
Installation Flexibility:
• Standalone operation
• Panel mounting (optional XXL front plate available)
• Post mounting for outdoor trails
• Suitable for nature reserves, zoos, museums and playgrounds
Custom-installable hand-cranked audio station
The hand-crank audio unit is supplied without mounting hardware. For custom installations, the standard mounting option is not included.
The unit measures 155 × 307 × 307 mm and weighs 9.6 kg. It features 16 MB flash memory (storing up to 8 MP3 messages or 16 minutes of audio @ 128 kbps). Power is supplied through a hand-crank dynamo (delivering 2 minutes of playback when fully charged; 5 seconds of cranking ≈ 1 minute of audio). The audio output is 1 W (8 Ω) with a frequency response of 75 Hz–20 kHz. The package includes a USB programming dongle with flash stick for content management."
Key features:
Clear distinction between standard and custom installations
Logical flow from physical specs to technical capabilities
Natural integration of all technical parameters
Professional yet accessible language
Complete specification in just 2 concise paragraphs