Stethoscope Adscope Lite 619 Clinician Black Tube Emergency First Aid Products use the toggle buttons to Waterproof backing prevents strikethrough use the toggle buttons to review previous readings * Comes with a 3V battery and wrist strap Red Laser Power: less than 0 use light pressure for low frequencies firm pressure for high frequencies Clinician headset boasts reinforcing yoke molded into the flexible 22 PVC tubing 15% thicker tubing (compared to Adscope 609) made without natural rubber latex or phthalates Overall length 30 18 tubing colors and 4 satin metal finishes Adsoft Plus Snap on silicone eartips Non chill bell and diaphragm retaining rim for patient comfort Includes both large and small Adsoft