A 230V ac -to- 12V dc unregulated adaptor / battery eliminator which plugs directly into a standard 3 pin 13A mains socket.

Input:    230V ac ±10% 50//60 Hz 

Output:  12V dc 210mA unregulated.

Manufactured by Mascot, of Norway and sold by RS Components. This is New Old Stock, the current closest equivalent is RS Stock No. 400-6709, which is priced at £14.94 

Supplied with 1.7m lead fitted with a 2.1mm power plug.

From a non-smoking home, it will be sent by  Royal Mail's Tracked 48 service.