The DTSM-25R-V-B is a tactile switch manufactured by Diptronics. It is a low profile, surface mount switch, with a height of 2.5mm and a diameter of 7.4mm. It is constructed of an aluminium alloy for strength and durability. It features a long, 25mm travel and 100,000 actuation cycles. This switch is available in 3 different versions: the red version, which has a red actuator; the yellow version, which has a yellow actuator; and the blue version, which has a blue actuator. This switch is designed for applications that require precision and long-term reliability. It is ideal for applications such as switches in cell phones, remote controls, and personal media players.