Selling for $6-7 on eBay - Can get it slightly cheaper via the mobile site using 24 RG points (if you have any), doing so will reduce the price to $3.60 AU. I found paying in AUD @ Rosegal to be cheaper.
Remember to remove shipping insurance @ checkout
L0403 Auto PIR Keyhole LED Light:
● LED quantity: 4 pieces
● Sensor sensitivity angle: 60 degree
● Sensor sensitivity distance: 3m
● LED: Super white LED light
● LED life: 100000 hrs
● Delay time: light will delay 5 seconds to turn off
● Standby current: less than 0.35mA
● Operating temperature: -5 - 38Deg.C
● Operating humidity: 5 - 95 percent
● Battery: 1 x LR06 or 1 x AA battery ( not included )
● Note: The key is not included
Type: Sensor Light
Total Emitters: 4 LEDs
Package Contents: 1 x L0403 PIR Keyhole LED Light, 1 x Adhesive, 1 x User Manual
I wonder how dark your front door area must be that you can't find the key hole.