Use: o/video player Origin: Mainland China Wireless communication: IR Support APP: No Certification: None Frequency: 433 MHz Channel: 1 Packaging: no Model: l2 New Remote Control SB400 o System Player Controller for Cinema Product features: 1. This is a replacement remote. 2. Please confirm this is the correct model for your device before ordering. 3. Requires CR2025 battery, not included in the package. 4. High quality, comfortable feel, sensitive keys. 5. Compatible with Cinema systems. Specification Item Type: remote control Model: SB400 Material: ABS Color: as shown in picture Size: Approx. 11 x 5 x 2 cm / 4.33 x 1.97 x 0.79 in Quantity: 1 PC (remote control only, accessories not included) Note: Do not mix old batteries or different types of batteries. Due to manual measurement, please allow 0–1 cm error. Package Included: 1 x Remote Control