Based on this product's specifications, here are some alternatives and similar models
Handheld bar code reader Opticon OPN-4000n
Summary description:
The Opticon OPN-4000n is a lightweight handheld barcode reader designed for 1D scanning. It features a CCD sensor and wireless Bluetooth connectivity (version 2.1+EDR). With a compact design (36mm width, 21.5mm depth) and weighing only 53g, it is easy to carry. The device is powered by a 600 mAh Lithium Polymer battery, ensuring reliable performance. Its ABS housing provides durability with an IP42 rating for protection against dust and water.