SantaMedical Gen 2 Finger Pulse Oximeter by CoolShitiBuy The newly SM-165 SantaMedical Gen 2 Finger Pulse Oximeter is an affordable and accurate way to check pulse rates and blood oxygen saturation levels. Self-adjusting finger clamp plus simple one-button design of the SantaMedical Finger Pulse ... 1 2,402 $21.95 via Amazon Facebook Pinterest Save1 Check it out