temperature control during shower increases the shower comfort, more safety for babies, children and elderly people, helps saving energy very simple installation - suitable for all standard shower facilities, LED-warning lamp (≥ 41°C), large display - automatic switch off, temperature measurement: 0…69°Cequipment: button cell-batteries 2 x LR44 enclosed71 x 28 x 30 mm, 52 g, SB