OP-SBST 24 Hour Socket Box Timer, 16 Amp Volt Free collection-only Do I need an electrician

Do I need an electrician to install it

E27) offers an attractive lighting solution for porches

and the weight is 201g

The Colour is Black

OP-SBST 24 Hour Socket Box Timer, 16 Amp Volt Free collection-only Do I need an electricianOP SBST is a captive tappet 24 hour timeswitch. Each tappet operates for 15 minutes. The timer is suitable for installation on a surface or in wall pattress box. The 24 hour dial controls a volt free changeover switch, with a resistive rating of 16 amperes. 24 Hour Synchronous time switch Socket Box Mounting Volt Free Changeover Switching Designed to mount directly over a single pattress 15 Minute tappet intervals (24 hour) 16 Amp resistive, 8 Amp