
| Big Red Twist | LT Pedal | |
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| Color | Red--Green--Blue--Yellow | Black |
| Switch Type | Mechanical, Wired | Mechanical, Wired |
| Activation Type | Pressure | Pressure |
| Single / Dual / Multi | Single | Single |
| Activation Surface | 12.7 cm diameter | 10 x 6 cm |
| Activation Force | 156 gr | 220 gr |
| Travel Before Activation | 1.143 mm | 2.130 mm |
| Feedback | Auditory click, Tactile | Auditory click, Tactile |
| Plug Size | 3.5 mm, mono, male | 3.5 mm, mono, male |





There is a broad array of switch technology options to meet the wide ranging needs of person with disabilities.
When choosing a switch, consider where it will be positioned, how it will be accessed and what type of use it will endure.
For example, switches with a low activation force or travel will be more sensitive than those with higher ratings in these same areas.
Plug a single switch into HAYDi:Switch device with a standard, mono 3.5mm jack.

Once the activation area is pressed, attached HAYDi:Switch will activate.

String, Grasp and Tip switches are activated with a pull, squeeze or tilt respectively.
Single switches can be mounted in a variety of different ways. For flat surfaces and simple mounting, try Velcro®.
Consider complete mounting systems and connections designed just for your switch for better ergonomic use.
