The Pambry Personal Noise Dose Alert is a small battery powered unit that measures the noise dose over an 8 hour daily period of time from the moment you switch it on, and indicates whether the noise dose in your environment is acceptably low or too high via an optical and vibrating alert.
• Self-contained unit.
• Simple to use.
• Long battery life.
• Optical and Vibration alert.
• Patented anti-knock feature (Patent No: GB 2 551 724).