Outside motion lights:
Starlights SL-1000 Smart Light 1000 12-volt Exterior Motion Light, White
SOLAHOMF Super Bright Security 86 LED Solar Panel Powered Motion Sensor Outdoor Flood
12 Volt White Exterior Motion RV LED Porch Light
Alarm systems:
https://www.amazon.com/dp/B00032AVN6/ref=cm_sw_r_udp_awd_i6bptb006K8XN
Other:
Speaking from strictly a law enforcement point of view, just attach warning stickers from radio shack or home depot on all windows and doors. That alone is a big deterrent to any would be burglar.