SB-3030E Outdoor LED Hand-Cranked Rechargeable Flashlight Emergency Lighting Radio 1. Built-in radio, FM (frequency modulation) automatic tuning receiver 2. Handheld lighting function, easily illuminating dark environments 3. Hand-crank self-powered, can provide emergency charging for digital products 4. Active alarm, can be activated with one button to trigger high-decibel alarm function 5. Compact and easy to carry 6. Suitable for hiking, camping, emergency lights, search, daily carrying, cave exploration, night fishing, patrolling Electrical performance parameters: 1. Output voltage: 5.6V ± 0.2V 2. Maximum output current: greater than or equal to 400mA 3. Lighting time for one lamp with hand-winding for 1 minute: greater than or equal to 70 minutes 4. Lighting time for three lamps with hand-winding for 1 minute: greater than or equal to 40 minutes 5. Talk time with hand-winding for 1 minute: 2-8 minutes 6. Alarm time with hand-winding for 1 minute: greater than or equal to 4 minutes 7. Radio reception time with hand-winding for 1 minute: greater than or equal to 10 minutes 8. Note: when testing the radioalarm discharge time, it is considered accurate when the sound distortion occurs Key parameters for lighting performance: 1. Maximum luminous flux: greater than or equal to 5000 MLM 2. Illumination duration when operated manually for 1 minute: greater than or equal to 30 minutes 3. Note: when testing the lighting duration, the brightness should be reduced to 100 mLM Main parameters of the radio: 1. Frequency range: 88 - 108 MHz 2. Output power: greater than or equal to 0.8W 3. Battery: nickel-metal-hydride rechargeable battery, 80mAh3.6V 4. Size: about 17.6 x 6 x 5.8 cm 5. Weight: about 230g