These are high quality sealed Single Pole - Double Through (SPDT) relays. This relay's coil is rated for 5V. The nominal operating current is 72mA so it will need additional circuity to close the relay with a microcontroller like an Arduino or SBC such as a Raspberry Pi or BeagleBone Black.
This is a High current driver that will take TTL signals from your Arduino, etc to drive the relays. It includes status LEDs for each input. 5V, 12V, and 24V relay options are available. This item replaces TE-010-405 and TE-010-412
RELAY GENERAL PURPOSE DPDT 8A 5V
2S JST-XH Lipo Balance Silicone Wire Extension Adapter with 20CM Brand new jst-xh 2S balance extension wire for use when charging your 2S lipo batteries.
100 pack of black UV resistant nylon with flexible tape section, pull tight and does not come undone. Length 11 inches.