What's in the box:

Fingertip Pulse Oximeter Blood Oxygen Saturation & Heart Rate Monitor with Lanyard 2-way Display Digital SpO2 Monitor Detection Mini Pulse Oximeter Auto-off (Standard)

Efficient oximeter easy to use, simply insert your finger into the chamber then it will accurately determine your SpO2 and pulse rate in seconds. Small, portable and low power consumption. Equipped with lanyard convenient to carry around.

Features:
Accurate oximeter determines your blood oxygen saturation levels and pulse rate.
2-way rotating display, convenient for user and caregiver to check throught one press power button.
Automatically shut off in seconds if there is no operation, energy saving.
Built-in silicone membrane, non-slip, sweatproof and comfortable.
LED screen with large color digit simple to read, even child and elder can use it with ease.
Comes with lanyard for easy carry and can be hung anywhere you need.

Specifications:
Material: ABS
Color: White & Blue
Display Type: LED
Display Direction: 2-way
SpO2 Resolution: 1%
SpO2 Measurement Range: 70%-100%
SpO2 Measurement Accuracy: 70%-100%: 2%; <70> PR Measurement Range: 25BPM-250BPM
PR Measurement Accuracy: 2BPM
Power Supply: 2 * AAA Batteries (NOT INCLUDED)
Item Size: 55 * 30 * 31mm / 2.16 * 1.18 * 1.22in
Item Weight: 24g / 0.85oz
Package Size: 7.7 * 5.5 * 3.5cm / 3.0 * 2.2 * 1.4in
Package Weight: 35g / 1.22oz

Package List:
1 * Oximeter
1 * Lanyard
1 * Manual