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This unit works by emitting a sound and pulsing a vibration through the ground every 50 seconds.  Snakes pick up these vibrations through their body sensors and think there is danger ahead. 

A solar panel and a rechargeable battery collect power by day for operation at night.  When the battery is fully charged it supplies enough power for around-the-clock operation, even on dull days.

Before using the snake repeller for the first time

The battery (located in the water proof housing) must be fully charged (do not join the black wires that run the vibration and sound at this time).  To charge the battery you have two choices:

  1. leave the green plastic head in the sun for two days in bright sunshine or 3 to 4 days if overcast; or

  2. if you have ordered the optional mains power charger, charge the head unit for one hour.  

Positioning your snake repellers

The repeller radiates in all directions (full 360 degrees) up to a maximum of 15m radius or 30m diameter (about 700 sqm).  To make the best use of the repellers we strongly recommend installing 2 or more repellers, no more than 25 metres apart (ie with a 5m overlap – see drawing).  

Firmer ground gives a better result.  Clay soil will transmit the furthest, while sandy soil will reduce the diameter of the signal.  Waterlogged soil should be avoided.  
Except for concrete walls/buildings with a foundation deeper than 100mm, the repeller signal will travel through the ground under fences, shallow concrete paths, sheds and behind retaining.  Trees, dog kennels, bushes and chain link fencing should pose no problems. 

Installing your repellers

  1. If the stake is covered by a clear, hard plastic film (some do and some don’t) this must be removed before installation: use a sharp pointed knife to split the film by running it down the length of the fluted tube, then peel it off.

  2. Make a ground hole for the stake with great care (this is a critical step).  The hole must be driven using either a crow bar with a point, round dowel, metal tube or metal rod about the same diameter (but no larger) than the stake. The soil must be kept firm – DO NOT dig a hole and fill around the stake as the loose soil will reduce the effective diameter of the signal.  NEVER use a hammer to drive the stake into the ground and NEVER force the stake into the ground by pushing down on the plastic top/solar panel.  The head unit should only be added once the stake is firmly in place.

  3. For final positioning before the head unit is installed carefully push down on the stake with a block of softwood such as pine (do not hammer).  Take care not to deform or damage the stake otherwise the plastic head will not fit correctly. 

  4. Leave approximately 50mm of the stake above the ground, more if the area is prone to flooding.  The repeller is weatherproof, but is not waterproof: rain presents no problem, however the top of the stake unit must never be underwater.  If there is the potential for hail or frost the unit should be either covered or removed.  In winter (if you are not concerned about snakes) we recommend you store the units undercover.

  5. When the battery is fully charged and the stake is in place, join the black wires together and place the head unit onto the stake.  

Starting your snake repellers

If you have more than one unit we recommend staggering the starting times.  In other words when starting a second unit wait for the beep from the closest unit and start about 25 to 30 seconds later.  
To start the repeller simply press the rubber covered On/Off button on the underside of the head unit.  When starting for the first time you know the unit is performing correctly if you hear the unit go through its 3-stage multi pulse cycle.  First a single beep, followed by a triple beep, then 5 beeps.
Once the activation test is over, within about 60 seconds you will hear a single beep starting the first 2 day rotation of the 3 different pulses (days 1 & 2 you will hear one beep, days 3 & 4 there will be 3 beeps, days 5 & 6 you will hear 5 beeps and on the 7th day the cycle will start over with one beep).

Choose your locations

The snake repeller radiates in all directions (full 360 degrees) up to about a 15m radius or 30m diameter (about 700 sqm). However we recommend adding a 5m overlap.  To get the best results you may need to install two or more repellers spaced approximately 25 metres apart.

Different ground will give different results. The best result comes from installing in firm ground. Clay soil will transmit the furthest, while sandy soil will reduce the diameter of the signal. Waterlogged soil should be avoided.

Do garden edges, walls and fences interfere in the signal?

The snake repeller signal will travel through the ground under fences, shallow concrete paths, sheds and behind retaining walls and will repel any snakes that may be hiding near them. The Snake Defence MP Plus works in long grass, around trees, bushes, fences and dog kennels.


A substantial number of our Snake Repeller orders come from existing customers and vets who sing the praises of our units.

"Just received my new snake repellers to expand my current area of protection. I just love the On/Off switch on the MP Plus model."

Snake Repeller Products | Shop Online

Spiders are a real problem for some people. This device is very useful and every house should have one.

Trevor Bayliss

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