Specifications: * Patient Range: Adult and Pediatrics * Sp - O2 : Measurement range: 70% – 100% Resolution: 1% Measurement accuracy: 80% – 99%: 2% | 70% – 79%: 3% | 69%: No definition * Pulse Rate: Measurement range: 30 – 250bpm Resolution: 1bpm Measurement accuracy: 30 – 99bpm: 2bpm | 100 – 250bpm: 2% * Display: Type: Digital OLED and LED Display Parameters: Sp - O2, PR, Pulse bar, Waveform Mode: 4 display orientations (Press power button for switch display direction) * Alarm: Battery-low indicator * Mechanical – Dimension: 60mm(L)x32mm(W)x30mm(H),Weight: 60g(No including batteries) * Battery(No including) – Two AAA 1.5V, 600m - Ah alkaline batteries could be continuously operated as long as 24 hours. * Environmental : Operation Temperature: 5o - C – 40o - C Storage Temperature: 20o - C 55o - C Operation Humidity: 80%, no condensation Storage Humidity: 93%, no condensation Atmosphere pressure: 86k - Pa – 106k - Pa * Measurement Performance in Low Perfusion Condition : Required the test equipment (BIO-TEK INDEX Pulse Oximeter tester) the pulse wave is available without failure when the simulation pulse wave amplitude is at 0.6%. * Interference Resistance Capacity against Ambient Light : Device works normally when mixed noise produced by BIO-TEK INDEX Pulse Oximeter tester. Package include 1x Finger Pulse Oximeter 1x Manual