LED Display Design Fingertip Pulse Oximeter Spo2 PR Monitor Blood Oxygen Features: For whom is lack of oxygen gas. For the old over the age of 60. Patients with vascular disease. Patients with respiratory diseases. Suitable for athletes or aviation enthusiasts who need quick and accurate results. The oximeter is crafted from high quality, lightweight materials, making it durable and portable. The monitor is newly designed with a brighter LED screen to clearly display results. The user can easily read their own results or help someone read theirs. The self-adjusting spring design ensures to fit into any finger size without tension, while the finger clip is cushioned with rubber padding for added comfort. How to use: Blood oxygen saturation and pulse rate are measured with the touch of one button. Please add the powered by 2 x AAA batteries ( not included ) and just put your one finger into the oximeter that the data will display on the screen. Oximeter turns off automatically 10 seconds after the finger is removed.   Item Type: Blood Pressure For (Blood pressure): Finger Power (W): 2 x AAA 1.5V Pulse Rate: 2BPM Materials: ABS   Package weight: 0.081 kg Product Size ( L x W x H ): 5.50 x 3.00 x 3.00 cm / 2.17 x 1.18 x 1.18 inches Package Size ( L x W x H ): 8.00 x 6.00 x 5.20 cm / 3.15 x 2.36 x 2.05 inches Package Content: 1 x Fingertip Pulse Oximeter, 1 x Lanyard, 1 x English Manual