Lens is clear with a black ring

Is the light energy-efficient

The prongs overlap

This unit is priced to sell as is

Welch Allyn Spot Monitor Style:NIBP + Thermometer + SpO2 Lens is clear with aWelch Allyn Spot Monitor Refurbished Refurbished Welch Allyn Spot 420 Patient Monitor is ideal for any clinic. Fast, compact, easy to use. Includes power supply and mobile stand. Please note, for long distance shipments, it is less costly to ship without the mobile stand. Specialty Medical Practice: Specifications: Product Usage: Measure patient vital signs Brand: Welch Allyn Warranty: 90 days parts and labor only Dimensions: Monitor: 5. 5" x 5" x 9.