[. . . ] Technical Specification Operating frequency Modulation E. R. P Supply Batteries Battery life Transmission period Transmission duration Current consumption Maximum range in free space Operating temperature Overall dimension Weight 433. 92MHz FSK 5µW 6Volts CR2032 2 years 2. 3 sec. [. . . ] The transmitters will operate from a few metres up to 100 metres depending on environmental conditions (see receiver products for more details). The ACT 433TX and ACT 433TX prox fully comply with European Directives 73/23/EEC and 89/336/EEC. The ACT 433TX prox also functions as an ACTProx (ACT RFID) proximity fob. It is compatibile with all ACT pro-X and ACTsmart 2 readers. Ordering Information ACT 433TX Transmitter ACT 433TX Transmitter with an ACTProx proximity fob ACT 433TX ACT 433TX prox Activation Procedure Both the ACT 433TX and ACT 433TX prox transmitters have two buttons (left and right) and an LED indicator. [. . . ] Place both batteries with positive pole upward. NOTE: Dispose of old batteries in an environmentally safe way. 433TX - April 2008:Layout 1 29/04/2008 16:54 Page 2 ACT 433TX / ACT 433TX prox Top Side Plastics Top Side Plastics / Frente Bottom Side Plastics / Atrás Bottom Side Plastics Battery Access [. . . ]