Spec for light 1. Height: 460mm Solar panel:2.0Wp 2. Battery:6V4Ah Light source:super-bright LED (14-LED) 3. controller:solar special controller 4. Material:stainless steel 5. light color:white or multicolor 6. Working time:12h/day,5-7 overcast days 7. Environment temperature: -20c -65c Spec for Speaker: 1. Out put : 4W 2. Digital AMP used. 3. Frequency response : 20-20000Hz 4. RF Frequency : 2400-2480 MHz 5. RF Channels : 16 channels can be choose 6. Frequency interval : 5 MHz 7. TX Power : +10dBm 8. Rx Sensitivity : -85dBm 9. Modulation: GFSK 10. Data Rate: 1.15mbps 11. Range: Max 50 M out side door from transmitter. 12. Only for speaker it is can be used 6 hours after full battery charged. Below is additional function( optional ) (the additional cost under calculate): 1. Possibly install infrared human body sensor , lamp will be automatic on for save power 2. Can connect car adaptor power for transmitter.