Seller Mandi_W

fingertip pulse oximeters jpd-500a why choose fingertip oximeters: 1. portability - finger pulse oximeters only weigh a couple of gram. they are so small that can fit in your shirt pocket. 2. compact pulse oximetry - finger pulse oximeters display spo2 (oxygen saturation pourcent) and pulse rate in beats per minute. this is the same information that larger more expensive hand held and tabletop pulse oximeters provide without sacrificing accuracy. 3. fast readings - finger pulse oximeters provide accurate readings within seconds making it the perfect device for spot checks. features: 1. dual color oled display 2. alarm function 3. four directions and eight modes 4. display spo2, pr, pr waveform and bargraph 5. battery voltage low indication 6. low power consumption, automatic power off design when no signal 7. pulse sound function 8. battery-low indicator 9. portability: small & lightweight design ( total 28g without batteries ) specifications display: 1.3 inch 65k color oled display, resolution 96*64 measurement range: spo2: 35-99 pourcent pulse ratio: 30-250bpm resolution: 1 pourcent for spo2, 1bpm for pulse ratio accuracy: ± 2 pourcent (70 pourcent~99 pourcent), unspecified (<70 pourcent) for spo2 ±2bpm or ±2 pourcent (select larger) for pulse ratio power: two 1.5 v (aaa size) alkaline batteries can work more than 30 hours continuously interference resistance capacity against ambient light measurement performance at low perfusion