Product Name: Pulse Oximeter LED Oximetro Blood Oxygen Heart Rate Monitor Health Monitors Oximetro Model NO.: BM2 Certification: CE, FDA, ISO13485, Inmetro Group: Middle-aged and Old Type: Pulse Oximeter Usage Mode: Finger Display: OLED Display Safety Type: Interior Battery,Bf Type Color: Grey and Orange Transport Package: Cartons Specification: 58H*34W*30D mm Product Description 1)Small design, comfortable wearing on the patient's hand, one button can be operated.2)Small size, light weight, easy to carry.3)Two AAA 7 batteries can operate continuously for 15 hours.4)When the power is low, the power indicator icon at the top of the screen flashes, indicating that normal operation may be affected.5)No routine maintenance and calibration is required.6)When no signal is generated, it will turn off automatically in 8 seconds.7)When no signal is generated, it will turn off automatically in 8 seconds.