Fingertip Pulse Oximeter Mini Spo2 Monitor

Battery: 2 AAA batteries (without battery) Colour: blue white Material: plastic Size: 85mmx65mmx40mm Package Contents: 1 * Oximeter 1 * Lanyard 1 * Chinese and English manuals Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.