1 x AA Plastic Case Battery Holder Black 5V 2A ERD Adapter with Micro USB cable Aspect Details Type Optical Heartbeat

Aspect Details Type Optical Heartbeat Detection Sensor Origin Original/Authentic Warranty 7-day warranty on manufacturing defects Support Email & WhatsApp 24/7 Sensor Type Infrared LED + Photodiode Output Analog Signal Operating Voltage 5V DC Detection Method PPG (Photoplethysmography) Why Choose This

and a detailed printed manual - no need to purchase anything extra to start building projects immediately

3D Printers & CNC Machines - Precise axis control

WhatsApp: Available 24/7 for quick assistance

Phone: Available 24/7

1 x AA Plastic Case Battery Holder Black 5V 2A ERD Adapter with Micro USB cable Aspect Details Type Optical Heartbeat1 x AA Plastic Case Battery Holder Black A battery holder or a battery mount is an integrated or separate cavity to hold cells. If it is a separate compartment, it can be attached to a cell powered device. It is used to hold the cells securely and power the device it is attached to. The primary function of a battery holder is to facilitate the power supply to the device it is attached to. External connections can be made to the cells in the battery