Bought the TKB Z-Wave Wall Plug Switch/Meter from Vesternet for £26.24 (S$47).
The listed price is £29.17 (S$52) but they do offer bulk discount if you buy either 4 or 8 units. In my case, I bought 5 of it and hence the price of £26.24 (S$47) each.
TKB Z-Wave Wall Plug Switch/Meter
