One of the Doctor's gifts to Sarah Jane.
The scanner watch looks and works like a normal human watch but when the face of the watch is lifted up it revels a scanner screen and is built using alien technology.
HISTORY
The Doctor had left the Scanner watch for Sarah jane inside a K-9 Mark IV.
Appearances:
SJA: Invasion of the Bane
SJA: Revenge of the Slitheen
SJA: The Lost Boy
SJA: The Day of the Clown
SJA: Secrets of the Stars
SJA: The Temptation of Sarah Jane Smith
SJA: Enemy of the Bane
FEATURES
The scanner watch can scan for alien life and identifies species and origin, it also acts like a geiger counter making louder noises as it gets closer to an alien source.
OTHER FEATURES
It is apparently capable of connecting to the local power gridand never loses power.
USES
Detected the Bane in side the Bubble Shock factory and in side a bottle of Bubble Shock that Kelsey Harper had.
It was going to connect to the local power grid for Sarah jane to see how long the power cut would be on for.
It started to beep and told Sarah Jane that the Kalazian lights were about to appear.
Sarah Jane used it to scan Maria's old house, after she moved to America to see if any thing alien might have been left there.
Sarah Jane used it to scan Martin Trueman to see if he was an alien.
Sarah Jane used it to see if the The Trickster had manifested in 1951 yet.
Sarah Jane used it to scan Gita Chandra flower shop Blooming lovely to see what sort of alien had taken her.
Behind the Scenes
Character Options has released a Scanner Watch replica, the toy is slightly different from the original.
It's non-electical
The watch's face is a wine Colour rather than white
The Sarah Jane Adventures logo is on the watch's face and on the strap.
The watch released is only based on the the scanner watch seen in Invasion of the Bane.
The Sarah Jane Adventures Official website [1]