MouseBlocker Prox 12V Under-Hood Rodent Deterrent — Ultrasonic + Dual Strobe LEDs, Eviction Mode

MouseBlocker Prox 12V is an under-hood rodent deterrent that combines powerful ultrasonic pulses, dual strobing LEDs and an eviction mode to keep mice and rats out of vehicles and 12V-equipped equipment.

If you store or operate cars, trucks, motorcycles, RVs or farm equipment, rodents chewing wiring and nesting under the hood are a recurring headache. The MouseBlocker Prox 12V is engineered for automotive environments: a compact all-aluminum enclosure houses an advanced microcontroller that drives high-output ultrasonic transducers and dual strobing white LEDs, plus a special eviction setting to encourage pests to leave rather than simply mask their presence.

How does the Prox 12V deter rodents under a vehicle hood?

The unit emits high-intensity ultrasonic sound patterns that are uncomfortable for rodents but inaudible to most humans. Those patterns, combined with intermittent strobe lights, create an environment rodents avoid. The aluminum case keeps the electronics cool and durable for under-hood conditions.

• High-power ultrasonic transducers tuned for rodent sensitivity.
• Dual strobing white LEDs to increase visual disturbance.
• All-aluminum housing for heat dissipation and corrosion resistance.

What is Eviction Mode and when should I use it?

Eviction Mode is a higher-intensity cycle that alternates ultrasonic patterns and lights to persuade rodents already inside engine bays to leave. Use it when you suspect active nesting or chewing damage; it’s designed as a short-term intensive stimulus to push pests out before regular protection resumes.

• Short-duration high-intensity cycles for active infestations.
• Automatically or manually engaged depending on installation and power setup.
• Follow-up with normal deterrent cycles to prevent return.

How do I install and power the MouseBlocker Prox 12V?

Installation is straightforward: connect the two power wires to a 12V source and mount the unit in the engine bay where it won’t obstruct moving parts. The compact footprint and robust case let you fasten it to chassis or bracketry; professional installation is optional but quick for anyone comfortable with basic vehicle wiring.

• Simple two-wire 12V connection — positive and negative.
• Multiple mounting points for secure under-hood placement.
• Designed to withstand typical engine bay temperatures and vibration.

Will the device harm my vehicle, pets, or people nearby?

MouseBlocker Prox 12V uses non-lethal ultrasonic waves and visible strobe lights; it does not emit chemicals or poisons. Ultrasonic output is aimed at frequencies that affect small rodents. As always, follow installation guidelines to avoid direct prolonged exposure of pets or sleeping infants to the speaker area.

• No sticky traps, poisons, or sprays — electronic deterrent only.
• Safe for vehicle components when installed correctly.
• Check placement to minimize exposure to small domestic pets if concerned.

Who this is for: The MouseBlocker Prox 12V is aimed at vehicle owners and fleet managers who need a durable, low-maintenance deterrent for engine bays and other 12V-equipped enclosures. It’s a good fit for private car and motorcycle owners, RV and boat owners storing vehicles for seasons, farmers protecting tractors, and commercial fleets seeking a maintenance-saving preventative device. Choose the Prox 12V if you want a hardware-first, chemical-free option that pairs continuous protection with an aggressive eviction mode when active rodent activity is detected.