<https://barriersuk.co.uk/product/driveway-alarm-additional-pir-with-protective-wire-cage-multiple-lens-caps/#product>
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"Additional Battery Powered Wireless PIR for the Protect 800 Wireless Driveway Alarm System supplied with a unique Protective Wire Cage designed to help avoid Vandalism &amp;amp; Theft.\n\nThe PIR is packed full of features including:\n\nImpressive 800 metre Wireless Transmission.\nFully Waterproof.\nUp 15 metres Detection Range (can be further with large objects).\nAdjustable Sensitivity Settings.\nUp to 16 PIR's can be used with any single system.\nSunshade &amp;amp; Rain Hood.\nLens size adjusting Caps (ideal to help detect moving vehicles).\nBattery Powered (4 standard AA batteries supplied).\nLow Battery Warning (battery life expected is 9 - 12 months in most applications).\nBattery Status Checking.\nImpressive Vehicle Detection.\nEasy &amp;amp; Quick to Fit.\nUnique choice in operation of:\n24 hour operation (for use in locations where all day detection is preferred).\nNight Time Operation (for use in locations where you only want a working detector during the hours of darkness).\n\nCage:\n\nA protective Wire Cage is designed to help avoid Vandalism &amp;amp; Theft and would be fixed to the wall using the mounting brackets and fixings supplied.\n\nPlease Note:\n\nThe Cages are supplied with Security Screws (Torx T30 Tamper Proof), you will need a TX30 Bit (with hole) to use them, these are available from many outlets or can be found in some existing tool kits.\n\nLens Caps:\nThe PIR is supplied with 3 Lens Cap Settings which together with internal adjustments allow you to set the PIR to suit your application, these include:\n\nPencil Beam Attachment: Provides a very narrow Beam to avoid small to medium ground animals.\nMedium Beam Attachment: Provides a narrow Beam to avoid most small to medium ground animals whilst detecting Vehicles more efficiently than the Pencil Beam.\nNo attachment Fitted: Ideal when the detection of Vehicles is most important to you.\n\nPower Supply:\n\nThe PIR is powered by 4 x standard AA Batteries which will last around one year in most applications, the Indoor Receiver will inform you if they are getting low.\n\nInstallation Tip:\n\nWe recommend the PIR is fitted looking away from a rising Sun rather than towards it, if this is not possible then care should be taken when choosing the location and direction of the PIR, this basic principle is the same for most outdoor PIR's.\n\nOperational Options:\nThis PIR has the unique feature of being able to use the PIR in two ways:\n\n24 hour operation (for use in locations where all day detection is preferred).\nNight Time Operation (for use in locations where you only want a working detector during the hours of darkness).\nThis allows you to perhaps have some PIR's working throughout the day on a subtle chime from the Receiver, and other PIR's that only work when it is dark, which would trigger a louder Siren on the Receiver (ideal for protecting buildings like workshops etc).\n\nkit Includes:\n\nProtect 800 Wireless Driveway Alert PIR.\nMounting Bracket.\n4 x AA Batteries.\n1 x Removable Sun &amp;amp; Rain Hood.\n1 x set of Removable Detection Caps.\n1 x Screwdriver.\n1 x Set of Screws.\n1 x Protective Wire Cage (D).\n\nSpecifications:\nPIR:\n\nWireless Operational Range: 800 metres (line of sight).\nWeatherproof: Yes.\nDetection Range: Up to 15 metres Detection Range (can be further with large objects).\nAngle of Detection: Approximately 9 - 12 degrees @ 12 metres distance.\nAdjustable Sensitivity Settings: Yes.\nMaximum Number of PIR's: 16.\nSunshade &amp;amp; Rain Hood: Yes.\nLens size adjusting Caps: Yes (removable).\nPencil Beam.\nNarrow Beam.\nWide Beam.\nBattery Powered: Yes (4 standard AA batteries approximately 9 - 12 months).\nLow Battery Warning: Yes (on receiver).\nBattery Status Checking: Yes (on receiver).\nVehicle Detection: Yes (best with cap removed).\nSize with Bracket (no sun hood): 85 (D) x 80 (W) x 100 (H) mm.\nSize with Bracket &amp;amp; Sun Hood: 120 (D) x 80 (W) x 100 (H) mm.\nFrequency: 869.400 – 869.650.\nTemperature Range: -20℃ to 50℃.\n\nChoice in operation of:\n24 hour operation (for use in locations where all day detection is preferred).\nNight Time Operation (for use in locations where you only want a working detector during the hours of darkness).\n\nCage:\n\nMaterial: Steel Wire.\nCage: 3 mm.\nColour: Black.\nMounting Method: 2 x Fixed Eyelets.\nExternal Size: 138 x 138 x 130 mm."
<https://barriersuk.co.uk/product/driveway-alarm-additional-pir-with-protective-wire-cage-multiple-lens-caps/>