InnoGear via Amazon offers the InnoGear LED Solar-Powered Motion-Sensor Lamp
, model no. WS011, for $13.99. Coupon code "BWV9HE4N" cuts it to $9.99
. Plus, Prime members bag free shipping
. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $6.72.) That's $16 off list and the lowest total price we could find. It features eight LEDs, auto on motion sensor, brightness of 160 lumens, and is waterproof.