1). Coaxial structure with emulational effect features stable flight, easy operation, and indoor entertainment;
2). 2 * 180SH brushed motors offer powerful drive;
3). The usage of 2.4G RF technique is prompter in reaction, more sensitive in operation, and stronger in anti-interference;
4). 4-in-1 receiver includes the functions of both Servo Extent Adjustment and Built-in Gyro Sensitivity Adjustment.
5). High volume Lithium polymer at 7.4V 800mAh provides 8- to 12-minute flight after fully charged. 

Walkera product list
Item NO	Product name	Configuration
1	New HM4#(2.4G)Metal head upgrade	WK2401
2	HM4#3B Metal brushed motor edition	WK2401
3	HM4#3B single brushless metal edition	WK2401
4	HM 4#3B With Double Brushless Metal Edition	WK2401
5	HM4#3Q(2.4G)	WK2401
6	HM4G3 brushed metal edition	WK2601
7	HM4G3 single brusless metal edition	WK2601
8	HM 4G3 With Double Brushless Metal Edition	WK2601
9	HM4G3 with Double brushless metal edition	WK2801
10	HM5#4(2.4G)	WK2401
11	HM5G4Q3(2.4G)	WK2401
12	HM5G6（2.4G) plastic	WK2401
13	HM5G6（2.4G）	WK2401
14	HM5#10(2.4G)	WK2401
15	HM22#E(2.4G)	WK2601
16	HM35#C(2.4G)	WK2401
17	HM38#(2.4G)Metal	WK2401
18	HM53Q	WK2401
19	HM53Q3	WK2401
20	HM53#1	WK2401
21	HM53#8	WK2401
22	HM 59#D(2.4G) Helicopter Plastic Edition	WK2601
23	HM59#D metal edition	WK2601
24	HM59DQ single brushless metal edition	WK2601
25	HM CREATE 400	WK2601
26	HM LAMA2	WK2401
27	HM LAMA 400	WK2401
28	HM LAMA 400D	WK2401
29	HM LAMA400(EC135)	WK2401
30	UFO 5#	WK2401
31	UFO 8#	WK2401
32	UFO 117	WK2401
33	ENERCO 500	WK2801
34	HM83#(2801)	WK2801
35	HM 1#B(2.4G)	WK2601
36	HM4G1B(2.4G)	WK2401
37	HM5G4(2.4G)	WK2401
38	HM1#B TX606/EX601/Plastic head rotor	WK2401
39	★HM CB180Q	WK2401
40	★HM 4B100	WK2401