Q-Link SRT-3 Translucent Pendant Colour:Default All units are supplied with

All units are supplied with a closed-cell base seal - 100% waterproof

Echomax EM230 has been adopted and used by the UK Military Forces and others throughout the World

The stiffened lid base and sides offer additional protection while the 2-way zip allows easy access

Frequency: 77/200 kHz (traditional) and 455 kHz (DownVü)

Q-Link SRT-3 Translucent Pendant Colour:Default All units are supplied withEnhances personal well being performance and quality of life. Extremely durable and waterproof. Requires no batteries and no maintenance. Easy to use simply wear it inside or outside a shirt or blouse facing either way. It requires no special care just remove grease or dirt with a soapy cloth and rinse. Includes 36\" adjustable comfort cord. Casing: Durable hypo allergenic injection moulded acrylic . Dimensions (W x H x D): 36 x 37 x 3 mm Weight: 6g .