1\ SPA Cabinet Lock work stable & fast; 2\ low battery alarm; 3\low energy consumption. 4\ suitable for SPA, school 1\ SPA Cabinet Lock work stable & fast;2\ low battery alarm;3\low energy consumption.4\ suitable for SPA, schooll Power supply: 3 standard AA alkaline batteries.l Battery life: About one year in normal state..l Function cardMother Card and Child Card. The Mother Card is used to ...
