We have a new variant of the waterproof, long range (up to 200m) i3 in stock. This differs to the previous i3 in that it uses the newer Nordic nRF52 SoC for improved battery life up to 5 years depending on the settings and the type of batteries (takes 2 x AA).
This beacon advertises up to 6 channels that can be iBeacon, Eddystone UID, Eddystone URL, Eddystone TLM and device info.