This Radio Transmitter & Receiver pair is perfectly matched to allow you to control items from a distance up to 500 feet wirelessly! Connect the transmitter to your Arduino, Raspberry Pi or other microcontroller and the receiver to whatever you’d like to control.
This is 125K RFID Tag. The RFID technology is used for sensing and identifying tagged people and objects for access control, automation, and a whole range of different applications
Lithium-Ion Battery for robotic applications. Very light weight and small size compared to Ni-Cd, Ni-MH and Lead acid batteries. Very long life without loosing charging capacity. Weights just 44 gm.