Eldes EWR2 Wireless Signal Repeater

Power supply DC 9-15V; 300mA, if no additional devices are connected,
Backup battery 1.2V AA rechargeable NiMH >2000mAh type HR6 (IEC) / 1.2H2 (ANSI/NEDA),
Number of batteries 3,
Backup battery life Up to 48 hours (depending on operating conditions),
Number of zones 2,
Wireless transceiver frequency ISM 868/ ISM 915,
Wireless communication range Up to 30 meters indoors; up to 150 meters in open spaces,
Supported temperature sensor models Dallas® DS18S20, DS18B20,
Maximum number of connectable temperature sensors 8,
Operating temperature range -20…+55ºC,
Air humidity 0-90% RH @ 0… +40 °C (non-condensing),
Dimensions 94x137x25mm,
Compatible with ELDES wireless security systems*.