It looks like you're from the US.
We have a American shop which you can
purchase from if you'd like.
It's at: https://us.energenie4u.co.uk
Transmitter Frequency: 433.92Mhz (ISIM band)
Output Power: 3 V / +12 dBm/27 mARange in open area: Ca. 25 metres
Encoding: 20 address bits (pre-set OTP), 4 data bits
Modulation: OOK/FSK software selectable
Compatibility: Energenie radio controlled socket and extension lead (ENER002 and ENER010)