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It measures the saturation of oxygen in the blood and also your pulse rate
universal use
durable in use-Material PC-Size 42
)Weight: 420g ± 10gDimensions: 108 x 90 x 32 mm
shock-proof and fall-proof -12V-24V voltage input
RCA Professional Wireless Microphone with Receiver Pair RM200 TV Antenna It measures the saturation ofWireless Receiver: Power LED Light Radio Frequency Diversity light Volume Telescoping antenna: to receive the signal from the transmitter Separated audio output A (6. 35mm connector) Mixed audio output A+B (6. 35mm connector) Power Input connector: Connect to AC 12 V200mA power adapterHandheld Microphone Transmitter: Power button Power LED light Color IC rings Battery compartment Anti roll ring Battery cover