Product Description

CITIZEN CMS50DL1

Pulse Oximeter

** Your Health, At Your Fingertip-Anywhere, Anytime! **

Keep a close eye on your health, wherever you are! The CITIZEN CMS50DL1 Pulse Oximeter is your reliable companion for tracking oxygen saturation and pulse rate-at home, in the hospital, or out in the wild. Compact, lightweight, and designed for comfort, this pulse oximeter fits perfectly on your finger, delivering stable and accurate readings in seconds.

Key features include

• Hygienic use is ensured, as the device can be easily disinfected with 75% alcohol for safe monitoring at home or in medical settings.


• The compact and lightweight body makes it simple to carry in your pocket, bag, or emergency kit.


• A convenient lanyard lets you carry the oximeter securely, so you never have to worry about dropping it.


• The finger clip features soft rubber cushions, providing a comfortable fit and stable measurements every time.


• Easy operation is achieved with a single button, making the device accessible for users of all ages.


• Low power consumption allows for up to 24 hours of continuous use on two AAA batteries, saving you money and hassle.


• Accurate readings are provided for SpO₂ (0–100%, ±2% accuracy from 70–100%) and pulse rate (30–250 bpm, ±2 bpm or ±2%).


• Versatile use makes it ideal for hospitals, clinics, home emergency monitoring, and outdoor activities such as trekking.


• Monitor your health with confidence-right at your fingertip! Choose the CITIZEN CMS50DL1 Fingertip Pulse Oximeter for fast, accurate, and convenient health tracking, wherever life takes you.

Product Features

• Hygienical use


• Small in size


• Lightweight Design


• Comes with a lanyard


• Easy to operate


• Stable Measurement


• Low power consumption


• Comfortable Finger Clip


• Convenient to carry

Product Specifications

♦ SpO² display range:

0%SpO2 ~ 99%SpO2

♦ SpO² measured range:

0%SpO2 ~ 100%SpO2

♦ SpO2 accurcy:

70%SpO2 ~ 100%SpO2: ±2%SpO2;

0%SpO2 ~ 69%SpO2: unspecified

♦ SpO2 resolution:

1%SpO2

♦ Plus rate Display range:

30 bpm ~ 250 bpm

♦ Plus rate Measured range:

30 bpm ~ 250 bpm

♦ Plus rate Accuracy:

±2 bpm or ±2%, whichever is greater

♦Plus rate Resolution:

1 bpm

♦ Power supply:

1.5 (AAA (LR03) size) alkaline batteries x 2

♦ Battery Life:

Two batteries can work continually for 24 hours

♦ Accessories:

2 x AAA (LR03), Lanyard, User Manual

♦ Dimensions:

Approx. W36 ×H32 ×D61 mm

♦ Weight:

Approx. 60g with batteries