You can get a romantic backdrop and ambiance for beautiful photos at home, hotel, travel, school with this projection lamp. Thanks to high clarity starlight galaxy projected on the walls and ceiling, this projector makes you feel like you are in the vast galaxy, creates a romantic atmosphere and makes you enjoy leisure time. It is constructed of ABS material. The length of the product is 16.2 cm, the width is 6.8 cm. It is suitable for home, bar, party, festival decoration and wedding, etc. Item Name: Projection Lamp Material: ABS Input Voltage (V): AC 220 V (+10 Percent or -10 Percent) Working Temperature: -10 to 40 Degrees Celsius, Rh Less Than or Equal to 80 Percent Storage Temperature: -20 to 70 Degrees Celsius, Rh Less Than or Equal to 80 Percent App Supported Version: for iPhone for IOS8.0, for Android 4.1 And Above Light Source: Reed Certificate: FCC, CE, RoHS, FDA Device Sharing: A. Main Account: 1. Share Access Rights With Other Users 2. Manage Sub-accounts B. Sub-account: 1. After Obtaining Permission, You Can Switch, Set Timing And Delay Switches. Switching Method: Bluetooth-compatible, Manual Button, Wi-Fi Radio Technology: IEEE 802.11B/G/N Bluetooth-compatible: 4.2 Emission Color: RGB Color: Green: 515-520 Nm, Blue: 450Nm Starry Sky Color: Colorful, 450Nm Features: Widely Used, Flame Retardant, Super Bright Size Details: Lamp Size: 16.2cm x 6.8cm/6.38" x 2.68" (Approx.) Power Cable Length: 180cm/70.87" (Approx.) Box Size: 22.5cm x 20.3cm x 7.8cm/8.86" x 7.99" x 3.07" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Projection Lamp 1 x USB Cable 1 x User Manual