Sell Fingertip Pulse Oximeter / Heart Rate Monitor / Oxymeter / Oximeter Lk87 best price

Features: High definition l-ed display screen, clear to see. Small and light, one-click measurements simple. Blood oxygen and pulse detection quickly and accurately, with abnormal alarms. Silicone finger prints, comfortable. Suitable for all ages, portable for home and travel. Specifications: Material: Plastics Led display methid: Blood oxygen: 0% - 100% ± 2% Pulse rate display: 0-250bpm ± 1bpm Working current: 50ma Operation mode: Intermittent Cell: 2 x aaa alkaline cells (not included)