Peace be upon you Professional laser measure from Bosch, model: Bosch GLM 50-22 Power source: Two 1.5V LR6 (AA) batteries. Measuring range: Up to 50 meters. Accuracy: ±1.5 mm. Storage memory for up to 10 measurements. Design: Resistant to shocks, dust, and water splashes. Measurements: Measures lengths, areas, and angles. Accessories: Protective case or pouch for protection. Price is 322 SAR and shipping is on the buyer.