1. Intended for military operations and training in night time, used with Night Vision Devices. Also interned for personnel, vehicle or area marking. 2. The IR light must be seen at 3, 5 km 3. 50 m depth watertight 4. Stable to vibration 5. Operate - 40C - +65C (10%) 6. Battery lifetime - 250 hours with Li batteries 7. Weight - Not more 240 g 8. Dimensions - 4 cm (l) x 3 cm (w) x 2, 5 cm (h) (20% deliation) 9. Activation - turn to ON position 10. Possibility to set various signal types 11. Set of delivery: - a)IR Transmitter b) Lithium battery 12. Warranty - 24 months.