Got the one from HDDoors, brand is Hafale, from Germany. 4x AA batteries. 1st 10 months ok, then started to suck battery life. Lucky within warranty. They changed the motherboard inside and now 2 years on, still ok.
(finger, code, cards, tag only, no wifi, no iris, no voice)
(finger, code, cards, tag only, no wifi, no iris, no voice)