You may not have given much though to the weight of your keys, but you should. We asked an expert if a heavy car key chain is ...

The wireless 4-button keychain touchpad makes ITI security systems easier to use. The small but powerful touchpad acts like an electronic key. It can arm or disarm the system, activate the police or ...

Presented in what looks to be simple cube designs, the keychains will play the relevant console's start-up tune, though we can't tell exactly whether this is via a simple button press or some ...