Versatile Functionilty

Compact and Attachable

This compact-sized device can be bolted to any surface.


K4 is certified with IP67.

Replaceable Battery

The CR2477 battery can be replaced.

Support Many Protocol

K4 support: Apple iBeacon, Eddystone URL, Eddystone UID, Eddystone TLM.

Wide Transmission Range

This device can transmit up to 100 meters in open space.