Enhance your physics experiments with this pair of UNILAB Multi-Timer Sound Switches, designed for accurate measurement of the speed of sound in classroom investigations. Ideal for secondary schools and colleges, these switches help students explore key scientific concepts through hands-on learning.

• Includes 2 sound switches for use with the UNILAB Multi-Timer (sold separately PP00058200)

• Switches activate when a sudden sound is detected, making them perfect for timing sound-based experiments

• Reset buttons allow quick preparation for repeated measurements

• Powered via DIN plugs from the Multi-Timer—no internal batteries required

• Suitable for secondary and college-level science lessons focusing on waves and motion