Adapter Power Supply (12VDC - 2A) LM2576 3A Step-Down Adjustable Switching Regulator It can play up to

It can play up to 22KHz

Simply clip the Pulse Sensor to your earlobe or finger tip and plug it into your 3 or 5 Volt Arduino and you're ready to read heart rate

on Ethernet cabling

Directivity: omnidirectional

Unique 1-Wire® interface requires only one port pin for communication

Adapter Power Supply (12VDC - 2A) LM2576 3A Step-Down Adjustable Switching Regulator It can play up toThis is industry quality DC power adapter with 12V, 2A output. It has barrel jack connector. This adapter works well with many 12V applications. Specifications Input: 100 240V AC 50 60Hz Output : 12V, 2. 0A Dimensions: 80(L) x 45(W) x 30(H) mm Cable length: about 110CM Output adaptor : Barrel Jack