Flintronic 2 x Pupil Light Medicine, Diagnostic Light Nurse Emergency Service Accessories, with Pupil Meter & Ruler, Rechargeable USB LED Pen Lamp for Nurses, Students, Doctors 2pcs-silver June_2023_update It's for bass drums and

It's for bass drums and gongs

With the Portable metal buckle design

25 Pcs 1/2" IP68 Strain Relief Nylon Cord Grip NPT Cable Glands Adjustable UL Listed and RoHS Compliant (Black)

connect the “in” of the cable end to the “out” of the device

Flintronic 2 x Pupil Light Medicine, Diagnostic Light Nurse Emergency Service Accessories, with Pupil Meter & Ruler, Rechargeable USB LED Pen Lamp for Nurses, Students, Doctors 2pcs-silver June_2023_update It's for bass drums andFlintronic 2 x Pupil Light Medicine, Diagnostic Light Nurse Emergency Service Accessories, with Pupil Meter & Ruler, Rechargeable USB LED Pen Lamp for Nurses, Students, Doctors Pack of 2 Flintronic Medical Diagnostic Penlight, a pen for all medical examinations. Functions: 1. The pressure switch in the middle of the pupil light feels comfortable, push forward for white light, push back for yellow light. 2. Hidden USB charging, no data cable required,