Input Voltage: 100-240V AC.  Output:  5VDC/6VDC/12VDC/24VDC Features: It is an ultra-thin, ultra-small, isolated switching power supply module with overload and short-circuit protection.  Applications: It is commonly used in smart home devices, industrial control, and other small projects that require a 5V supply from mains power.  read more

BT/USB/SD/Siren/Voice Recording Power Megaphone (with rechargeable battery)   Rated Ouput 25 Watts Maximum Output 50 Watts Audible Range APPX 600M Transistor Circuit Yes Finish (Horn & Handle) ABS resin, white Finish (Battery Case) ABS resin, blue Finish (Strap) Shoulder-type strap, black Handle Fixed handle Product Dimension (W x H x D) 230mm x 270mm x 380mm Packing Dimension (W x H x D) 255mm x 370mm x 230mm Applications Provide optimal reinforcement for various application at school, government organisation, construction site, factory, etc. Appearance It is an easy-to-use hand grip type megaphone with a removable microphone. It can be used as a shoulder-type megaphone when the microphone is detached. The newly developed polyimide diaphragm is employed to ensure high sound quality. Bluetooth Yes USB/SD Card Reader Yes Siren Yes Voice Recording Yes. Able to perform voice recording appx 15 sec. AUX Input Yes DC 12V Input Yes Detached Microphone Yes Power Source (Set Exclude Size C Battery) Dual Battery usablity : 1)8pcs x1.5V Size C alkaline battery 2)Lithium rechargeable battery 1500mAh   read more