General Information
The Blue Horizon UAV is a small, lightweight UAV, powered by a twin-cylinder piston engine. It is designed to provide reconnaissance and surveillance in day and night operations, but is capable of carrying out ‘penetrator’ missions by operating at low speed and low altitude.[1]Eprognostic : Blue Horizon UAV details brochure
The Blue Horizon drones delivered to the Philippines were manufactured by Singapore Technologies, under contract with Emit Aviation Consultancy of Israel. Singapore Technologies is a multinational corporation, engaged in, among others, the manufacture of military hardware.[2]Philippines to acquire Israeli UAV Spy [3]The Military-Security Dimension of Israel-Southeast Asia Relations

Use by Israeli forces:
We do not know of any use of it by Israel forces to date.