Remote controlled Arduino Relay

I made this thing with some parts i had laying around.
it's a pre-programmed Arduino nano wich turns the Relay, based on time with the RTC (real time clock), or turned on manually with the remote that has 4 buttons wich can be programmed to your needs.
RTC ZS-042
Relay 30A
433Mhz reciever
Arduino nano
Hi-Link 230V AC to 5V DC 0.6A
Kopp Rome socketplug